How would you prepare the following aqueous solutions? (a) 1.42 kg of 0.0605 m ethanol (C2H5OH)...
How would you prepare the following aqueous solutions?
(a) 1.42 kg of 0.0605 m ethanol (C2H5OH) from ethanol and water
Add ___ g C2H5OH to ____ g H2O.
(b) 503 g of 10.0 mass % HCl from 30.9 mass % HCl
Add ____ g of 30.9% HCl to ____ g of water.
Homework Answers
Add Answer to:
How would you prepare the following aqueous solutions?
(a) 1.42 kg of 0.0605 m ethanol (C2H5OH)...
QUESTION 2 Data related to aqueous solutions of sodium chloride (NaCl) and aqueous solutions of ethanol...
QUESTION 2 Data related to aqueous solutions of sodium chloride (NaCl) and aqueous solutions of ethanol (C2H5OH) are provided in the table below. Use the table to answer the following questions. Choose the letter of the choice that best answers the question. Mass (g) Solution Solution NaCl 3.0 3.0 H20 100.0 200.0 300.0 400.0 Volume (ml) C2H5OH H20 2.0 100.0 5.0 100.0 100.0 15.0 100.0 Which of the following solutions is the most concentrated? a Solution 5 b. Solution 6...
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. A....
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. A. 0.90 L of 1.4×10−2 M KBr B. 110 g of 0.160 m KBr C. 1.95 L of a solution that is 14.0 % KBr by mass (the density of the solution is 1.10 g/mL) D. a 0.130 M solution of KBr that contains just enough KBr to precipitate 16.0 g of AgBr from a solution containing 0.480 mol of AgNO3
12. Which of the following aqueous solutions would give the lowest freezing point? You must justify...
12. Which of the following aqueous solutions would give the lowest freezing point? You must justify your answer. (Assume ideal behavior for the solutions.) a) 0.10 m Na2SO4 b) 0.20 m KF c) 0.20 m ethanol (C2H5OH) d) 0.10 m KNO3
Calculate the molarity of each of the following solutions: (a) 33.5 g of ethanol (C2H5OH) in...
Calculate the molarity of each of the following solutions: (a) 33.5 g of ethanol (C2H5OH) in 4.30 × 102 mL of solution ?M (b) 22.6 g of sucrose (C12H22O11) in 78.5 mL of solution ?M (c) 6.90 g of sodium chloride (NaCl) in 82.4 mL of solution ?M
Calculate the molarity of each of the following solutions: (a) 30.5 g of ethanol (C2H5OH) in...
Calculate the molarity of each of the following solutions: (a) 30.5 g of ethanol (C2H5OH) in 5.60 × 102 mL of solution M (b) 23.6 g of sucrose (C12H22O11) in 79.0 mL of solution M (c) 8.45 g of sodium chloride (NaCl) in 81.0 mL of solution M
8. Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very...
8. Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4 (g) + H2O(g) - C2H5OH (1) What is the maximum amount, in kg. of ethanol that can be produced when 1.45 kg of ethylene (C2H4) and 0.0433 kg of steam are placed into the reaction vessel? How many kg of excess reactant will be left over?
Reaction Stoichiometry: Determining How Much CO2 You Produce. 1. Ethanol, C2H5OH, is a fuel additive commonly...
Reaction Stoichiometry: Determining How Much CO2 You Produce. 1. Ethanol, C2H5OH, is a fuel additive commonly added to gasoline and when burned, produces CO2 and H20. (i) Write a balanced chemical equation that describes the combustion of ethanol. (ii) How many moles of CO2 are produced from each mole of ethanol completely burned? (ii) How many moles of O2 are required to produce 10.0 moles of CO2? (iii) What mass of CO2 is produced from the combustion of the 4.3...
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. 1]...
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. 1] 0.70 L of 1.4×10−2 M KBr Express your answer using two significant figures. Enter your answers numerically separated by commas. 2] 120 g of 0.190 m KBr Enter your answers numerically separated by commas. 3] 1.70 L of a solution that is 14.0 % KBr by mass (the density of the solution is 1.10 g/mL) Enter your answers numerically separated by commas. 4] a...
How much of each of the following substances would you add to water to prepare 1.10...
How much of each of the following substances would you add to water to prepare 1.10 L of a 0.20 M solution? (a) H2SO4 from "concentrated" (18 M) sulfuric acid (b) HCl from "concentrated" (12 M) reagent (c) NiCl2 from the salt NiCl2·6 H2O (d) HNO3 from "concentrated" (16 M) reagent (e) sodium carbonate from the pure solid
I have 250 g of solid ethanol (C2H5OH) at -200 oC. How much energy would I...
I have 250 g of solid ethanol (C2H5OH) at -200 oC. How much energy would I need to add to get ethanol gas at 250 oC?
QUESTION 2 Data related to aqueous solutions of sodium chloride (NaCl) and aqueous solutions of ethanol (C2H5OH) are provided in the table below. Use the table to answer the following questions. Choose the letter of the choice that best answers the question. Mass (g) Solution Solution NaCl 3.0 3.0 H20 100.0 200.0 300.0 400.0 Volume (ml) C2H5OH H20 2.0 100.0 5.0 100.0 100.0 15.0 100.0 Which of the following solutions is the most concentrated? a Solution 5 b. Solution 6...
12. Which of the following aqueous solutions would give the lowest freezing point? You must justify your answer. (Assume ideal behavior for the solutions.) a) 0.10 m Na2SO4 b) 0.20 m KF c) 0.20 m ethanol (C2H5OH) d) 0.10 m KNO3
8. Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4 (g) + H2O(g) - C2H5OH (1) What is the maximum amount, in kg. of ethanol that can be produced when 1.45 kg of ethylene (C2H4) and 0.0433 kg of steam are placed into the reaction vessel? How many kg of excess reactant will be left over?
Reaction Stoichiometry: Determining How Much CO2 You Produce. 1. Ethanol, C2H5OH, is a fuel additive commonly added to gasoline and when burned, produces CO2 and H20. (i) Write a balanced chemical equation that describes the combustion of ethanol. (ii) How many moles of CO2 are produced from each mole of ethanol completely burned? (ii) How many moles of O2 are required to produce 10.0 moles of CO2? (iii) What mass of CO2 is produced from the combustion of the 4.3...
Most questions answered within 3 hours.
-
The task times of 12 independent tasks T1 to T12 are given, in
minutes, as
2,...
asked 29 minutes ago -
Thurston Petroleum is
considering a new project that complements its existing business.
The machine required for...
asked 46 minutes ago -
Imagine a radioactive source in the middle of a room. A detector
is stationed 1 meter...
asked 2 hours ago -
Describe the process by which a newly forming polypeptide ends
up inside the RER.
asked 3 hours ago -
PT AKR company purchased a machine on january 1, 2011
for Rp 3,000,000. At the date...
asked 4 hours ago -
Bisphenol A, a compound used in making polycarbonate plastic was
found to have a chloroform/water-partitioning coefficient...
asked 4 hours ago -
Which receptor type best corresponds with the following
features:
1. phosphorylation
2. activation of a G...
asked 4 hours ago -
The economy is a closed economy. Interest rate, r, is held
constant at 0.05 (5%) and...
asked 5 hours ago -
A random sample of n measurements was selected from a population
with unknown mean mu and...
asked 5 hours ago -
Design
a reinforced concrete beam that has a rectangular cross section
with a width b =...
asked 5 hours ago -
What is the profile of a fraudster? In specific a white collar
criminal who stole from...
asked 5 hours ago -
1.) What do you find to be the most important elements to
improve an organization’s competitive...
asked 5 hours ago