About how much NaNO3 will precipate out of solution when a saturated solution containing 140 g is cooled from 75 degrees to 30 degrees? Question 2 options:   95 g   40 g   45 g   0 g

What volume (L) of 0.500 M KCl solution contains 25.0 g of KCl?   0.671 0.335 5.96 0.168 none of the above

What is the solubility of NY in pure water (where the concentration of MX = 0)?   Question 12 options:   0.000938 mg/L   0.00114 mg/L   0.000881 mg/L

Which of the following solutions will boil last under identical heating? (Do not forget that some things may dissociate, forming more ions) 0.020 M glucose O 0.020 M NaCl O 0.015 M CaCl₂ O 0.010 M HCI O 0,010 M Na₂S

calculate the composition - mass/mass%  of 46.8g Kcl per (6.00x10^2 ml solution (d=1.14g/ml) ___ %kcl

Which of the compounds below would be soluble in pentane (the structure of pentane is also shown below)? a b O molecule A H HO pentane H H- CHO OH I -H OH OH CH₂OH molecule B HO molecule C

1/ mol 170 mol Question 3 (2 points) In the previous question you calculated how many moles of solid NANO3 are needed to prepare 100.mL of a 1.7 M solution. Use that answer to calculate how many grams of solid NaNO, are needed to prepare 100.mL of a 1.7 M solution. 00.0020 g O148 | 14 g KUD| 145 g KD 500 g

Human blood cell is 0.135M in NaCl and 0.005M in KCl. If a drop of blood is placed in an aqueous solution with a molarity of 0.135M CsCl. What will happen to the blood cells in the drop?

Which of the following will increase the solubility of a solid solute, such as KCI, in water? stirring the mixture using smaller particles increasing the temperature of the solvent decreasing the temperature of the solvent

What is the freezing point of an aqueous solution that contains 2.64 m NaBr? Kf for water is 1.86° C/m. Question 4.91°C -4.91°C O-9.82°C 00°℃ 9.82°C