![Tmall . Trial-2 Answer: 6] conc KNO Doml5m) 49mism) 69m /5m). 8 gm /5ml Average 5 Conc @gm 4 gm 18.5 39.2. 58.4. 70.2 Q6.6 50](http://img.homeworklib.com/questions/768c8660-d347-11eb-bfb9-cb3f2062f989.png?x-oss-process=image/resize,w_560)

can you please answer 5&6? Four grams (4 g) of NaNO, was dissolved in 10 mL...
can
you answerthe lab questions 1-5?
1. Explain why methanol and sodium carbonate were both able to dissolve in water, but only sodium carbonate was able to conduct electricity in solution. (3 pts) 2. Look up the chemical structures of methane and methanol. Based on their structures, which of the two do you expect to be water soluble? Explain your answer. (4 pts) 3. What are the main structural differences and similarities between methanol and 1-decanol. Explain the observed difference...
want to check 4 5 and 6
(4) KNO; (s) can be dissolved in water. The dissolution causes the solution temperature decrease. What true about KNO3 (s)? (a) The dissolution is exothermic, and KNO3 (s) can be used as hot pack. (b) The dissolution is endothermic, and KNO3 (s) can be used as hot pack. (c) The dissolution is endothermic, and KNO3 (s) can be used as cold pack. (d) The dissolution is exothermic, and KNO3 (s) can be used...
Fill in the data sheet and please show your work for the
calculations
Thermodynamics of Potassium nitrate dissolving in water
KNO3(s) ↔
K+ (aq) +
NO3-(aq
Determine the thermodynamic variables, ΔG, ΔH, and ΔS, for the
dissolving of KNO3 in water. You will find these
variables by creating a Van’T Plot, which is a graph of
lnK(sp) vs 1/T.
A set amount of KNO3 is weighed and dissolved in 25mL
of water and heated until all the KNO3 is
dissolved....
# 2 only not 4
of water In another experiment, a student dissolved 78.35 g FeCl3-6 H2O in 75.80 g water and reported the density of the solution to be 1.098 g/mL. SHOW WORK to calculate for this solution the per cent salt. (Note this solute is part salt and part water of hydration.) molarity molality Experiment 2: Solubility Report Sheet Name and formula of salt used: _K6102 Mass of salt used:_3.53 Volume of solution at 40.0°C:_45.0 Mass of salt...
Principles of Inorganic Chemistry! Week 5 Effect of Temperature on Solubility of a Salt In this experiment, you will study the effect of changing temperature on the amount of solute that will dissolve in a given amount of water. Water solubility is an important physical property in chemistry, and is often expressed as the mass of solute that dissolves in 100 g of water at a certain temperature. In this experiment, you will completely dissolve different quantities of potassium nitrate,...
1. A l64-g sample of HF is dissolved in water to give 2.0 x 10' ml of solution. The concentration of solution is: A) 0.82 M B) 0.16 M C) 0.08 M D) 4.1 M E) 8.2 M 2. You have 75.0 mL of a 2.50 M solution of Na,CrO(ag). You also have 125 mL of a 2.01 M solution of AgNOs(ag), Calculate the concentration of Cro. after the two solutions are mixed together. A) 0.00 M B) 0.309 M...
a 5. The following table represents the solubility (g/100 mL H2O) of salt X at different temperatures. 80.0 102.0 20.0 60.0 Temperature (°C) 40.0 94.0 130.0 Solubility (g/100 mL H2O) 46.0 64.0 32.0 a) Plot the solubility curve for salt X in the grid provided. (Properly label the graph) nibbs O (b 9pml Using the solubility -temperature plot to answer the following questions: b) Determine the solubility of the salt X in water from the drawn graph at 75.0° C?...
the date you need is: 2.0 grams of KNO3, the temp was
22.1.
extra information that might help if you need it: I added 5 mL
of water to the 2.0 g of KNO3.
please answer the 3 parts of the question. Thanks.
Grams KNO,Cryst. Temp, °c 22.1 2.0 g Type your calculation for solubility (in grams KNO,/100 grams water) using the data for the 2.0 gram sample. Type your calculation for molality of KNO, (in mol KNO3/kg water) using...
can anyone explain and answer 5 and 6 please
4. Which of the following properties is typical of octane? a) It is a gas at room temperature b) It is soluble in hexane c) It is soluble in water d) It has a density of about 1.5 g/mL e) It is a liquid due to dipole-dipole interactions 5. Which of the following has the lowest boiling point? a)2-methylhexane b) 2,3-dimethylbutane c) octane d) 2,3,4-trimethylpentane e) 2,3,4,5-tetramethylhexane 6. Which of the...
Can you please provide detailed answers to the below
question
Question B2: (a) 100 mL of a 0.5 M solution of potassium nitrate is mixed with 100 mL of a 0.5 M solution of potassium chloride. What is the final concentration of hydrated potassium ions in this solution? (1 out of 5 marks) (b) How many moles of silver nitrate can be added to 100 mL of a 0.1 M aqueous sodium chloride solution before precipitation of solid silver chloride...