Calculate the % sulfate in each of the following six hydrates: (a) MnSO47 H2O (b) CuSO45...
Calculate the % sulfate in each of the following six hydrates: (a) MnSO47 H2O (b) CuSO45 H2O (c) MgSO47 H2O (d) Na2SO410 H2O (e) ZnSO47 H2O (f) FeSO47 H2O. Show your work with your answer. The answer to (b) is 38.5% sulfate composition
Homework Answers
Add Answer to:
Calculate the % sulfate in each of the following six hydrates:
(a) MnSO47 H2O (b) CuSO45...
1. (DCH Page 23) Cupric sulfate is commonly sold as the pentahydrate, CuSO4-H2O, which has 5...
1. (DCH Page 23) Cupric sulfate is commonly sold as the pentahydrate, CuSO4-H2O, which has 5 moles of H20 for each mole of CuSO4 in the solid. The formula mass is 249.69 g/mol. How many grams of CuS04 H2O should be dissolved in a 250 mL volumetric flask to make a solution containing 8.00 mM Cu2* (a) 1.28 g (b) 0.499 g (c) 2.00 g (d) 0.319 g (e) 3.72 g
Please answer both questions and show all work. Thank-You! 3 From the following reaction: CuSO4 +...
Please answer both questions and show all work.
Thank-You!
3 From the following reaction: CuSO4 + Mg -- → MgSO4 + Cu 3.00 g of the copper sulfate were mixed with magnesium in a solution. The chemist (from Colorado) collected 1.40g of MgSO4. How many grams of magnesium sulfate should of been collected for a 100% yield? CuSO4 (MW = 159.61) MgSO4(MW = 102.37) a. 1.528 b. 1.92g c.0.52g d. 0.36g e. none of the above 4 From problem #3,...
Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your...
Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your answers in grams per mole to the nearest hundredth (+ 0.01 g/mol). Show your work. 2. Calculate the mass of water driven off and the mass of copper (II) sulfate formed in your experiment. Express your answers in grams to the nearest hundredth (+ 0.01 a). Show your work 3. Calculate the number of moles of copper (II) sulfate present. Express your answer in...
CuSO4 · 5H2O (s) ⇌ CuSO4 (s) + 5 H2O (g) a) Calculate ΔH ° and...
CuSO4 · 5H2O (s) ⇌ CuSO4 (s) + 5 H2O (g) a) Calculate ΔH ° and ΔS ° for the reaction at 25 ° C. (3p) b) Calculate ΔG ° for the reaction at 150 ° C. (2p) c) What will be the equilibrium constant of the reaction at 150 ° C? (2p) d) In what direction is the reaction spontaneous at 150 ° C and the pressure 1 bar? What temperature would be required to change the reaction direction?...
3. What is the mole ratio of salt to water for the following compounds? Hydrate Salt Water CaCl2 - 2 H20 FeSO4 · 7...
3. What is the mole ratio of salt to water for the following compounds? Hydrate Salt Water CaCl2 - 2 H20 FeSO4 · 7 H20 Na2S2O3 - 5 H20 Ba(OH)2 8 H20 MnSO4 H2O 4. A student worked with a sample of ZnSO4.7H2O. a. How many atoms of each element are present? b. What is the stoichiometric ratio of salt to water? c. Calculate the percent of water in the hydrate. Show your work.
answer qeustions please Show all work for full credit. 1. Complete the following table. For each of the hydrates:...
answer qeustions please
Show all work for full credit. 1. Complete the following table. For each of the hydrates: 1) write the chemical formula; 2) calculate the formula mass; and 3) calculate the mass percentage of water. Hydrate Chemical Formula Fomula Mass Mass % Water Nickel(II)chloride hexahydrate Cobalt(II) chloride hexahydrate Copper(II)sulfate pentahydrate 2. A student dehydrated an unknown hydrate. The mass of the compound was initially 4.139. After heating, the mass was 3.52 g. a. Calculate the mass percentage of...
question 1,2 Your Name: Student ID: Show all your work and calculations to receive full credit....
question 1,2
Your Name: Student ID: Show all your work and calculations to receive full credit. 1. (10 pts) Ndeye learned the law of conservation of mass. Balance the following equations. a) _Ticle + NaH → Ti + NaCl + H2 gobelets b) KClO4 + KCl + O2 c) __C12H22011 + 02 CO + H2O d) _FeCl2 + K2SO4 → FeSO4 + _KCI e) __Fe + _H2O + _02 → _ Fe(OH)3 2. Tahri found that the composition of a...
Which of the following molecules could participate in hydrogen bonding? Question 1 options: A) CH4 B)...
Which of the following molecules could participate in hydrogen bonding? Question 1 options: A) CH4 B) CH3NH2 C) CH2O D) C2H5OH E) HF F) H2O G) CO2 H) HCl I) CH3OCH3 Question 2 (2 points) Question 2 options: For the reaction CH4 + O2 →CO2 + H2OCH4 + O2 →CO2 + H2O what are the coefficients for each reactant or product? a. CH4 b. O2 c. CO2 d. H2O Question 3 (2 points) Question 3 options: For the reaction NaOH + AlCl3...
B-F show work please B. Calculate Pearson's r. C. Calculate the y-intercept, slope, and draw a...
B-F show work please
B. Calculate Pearson's r. C. Calculate the y-intercept, slope, and draw a the data in the table below to answer the six questions regression line on the scatterplot. D. Answer the “Prediction" problem. E. Calculate 12 and explain what it tells us about the relationship between the variables. Calculate the t-ratio for Pearson's r and deter- mine the level of significance. above. 1. Sociologists have discovered a phenomenon known as “environmental racism," a condition that exists...
For each of the following indicate whether the data is (a)categorical nominal, (b) categorical ordinal, c)...
For each of the following indicate whether the data is (a)categorical nominal, (b) categorical ordinal, c) numerical discrete, or (d) numerical continuous scale. 1) lifetime of a car battery 2) country of origin 3) number of students in a finance club 4) student standing (freshman, Junior, etc...) 5) A census of all CUNY students is taken and an average GPA is recorded, denote it GPA1. Then a simple random sample of 1200 CUNY students was randomly selected and its GPA...
1. (DCH Page 23) Cupric sulfate is commonly sold as the pentahydrate, CuSO4-H2O, which has 5 moles of H20 for each mole of CuSO4 in the solid. The formula mass is 249.69 g/mol. How many grams of CuS04 H2O should be dissolved in a 250 mL volumetric flask to make a solution containing 8.00 mM Cu2* (a) 1.28 g (b) 0.499 g (c) 2.00 g (d) 0.319 g (e) 3.72 g
Please answer both questions and show all work.
Thank-You!
3 From the following reaction: CuSO4 + Mg -- → MgSO4 + Cu 3.00 g of the copper sulfate were mixed with magnesium in a solution. The chemist (from Colorado) collected 1.40g of MgSO4. How many grams of magnesium sulfate should of been collected for a 100% yield? CuSO4 (MW = 159.61) MgSO4(MW = 102.37) a. 1.528 b. 1.92g c.0.52g d. 0.36g e. none of the above 4 From problem #3,...
Post-lab Questions 1. Calculate the molar mass of H2O and CuSO4 (Relative atomic masses). Express your answers in grams per mole to the nearest hundredth (+ 0.01 g/mol). Show your work. 2. Calculate the mass of water driven off and the mass of copper (II) sulfate formed in your experiment. Express your answers in grams to the nearest hundredth (+ 0.01 a). Show your work 3. Calculate the number of moles of copper (II) sulfate present. Express your answer in...
3. What is the mole ratio of salt to water for the following compounds? Hydrate Salt Water CaCl2 - 2 H20 FeSO4 · 7 H20 Na2S2O3 - 5 H20 Ba(OH)2 8 H20 MnSO4 H2O 4. A student worked with a sample of ZnSO4.7H2O. a. How many atoms of each element are present? b. What is the stoichiometric ratio of salt to water? c. Calculate the percent of water in the hydrate. Show your work.
answer qeustions please
Show all work for full credit. 1. Complete the following table. For each of the hydrates: 1) write the chemical formula; 2) calculate the formula mass; and 3) calculate the mass percentage of water. Hydrate Chemical Formula Fomula Mass Mass % Water Nickel(II)chloride hexahydrate Cobalt(II) chloride hexahydrate Copper(II)sulfate pentahydrate 2. A student dehydrated an unknown hydrate. The mass of the compound was initially 4.139. After heating, the mass was 3.52 g. a. Calculate the mass percentage of...
question 1,2
Your Name: Student ID: Show all your work and calculations to receive full credit. 1. (10 pts) Ndeye learned the law of conservation of mass. Balance the following equations. a) _Ticle + NaH → Ti + NaCl + H2 gobelets b) KClO4 + KCl + O2 c) __C12H22011 + 02 CO + H2O d) _FeCl2 + K2SO4 → FeSO4 + _KCI e) __Fe + _H2O + _02 → _ Fe(OH)3 2. Tahri found that the composition of a...
B-F show work please
B. Calculate Pearson's r. C. Calculate the y-intercept, slope, and draw a the data in the table below to answer the six questions regression line on the scatterplot. D. Answer the “Prediction" problem. E. Calculate 12 and explain what it tells us about the relationship between the variables. Calculate the t-ratio for Pearson's r and deter- mine the level of significance. above. 1. Sociologists have discovered a phenomenon known as “environmental racism," a condition that exists...
For each of the following indicate whether the data is (a)categorical nominal, (b) categorical ordinal, c) numerical discrete, or (d) numerical continuous scale. 1) lifetime of a car battery 2) country of origin 3) number of students in a finance club 4) student standing (freshman, Junior, etc...) 5) A census of all CUNY students is taken and an average GPA is recorded, denote it GPA1. Then a simple random sample of 1200 CUNY students was randomly selected and its GPA...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago