Molarity: Question Preview (ID: 24896)

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How many ml of solution are needed to make a 5.78 M solution with 2.98 moles of CaO?
a) 516 ml b) 0.52 ml c) 0.0532 ml d) 53.2 ml
What is the molarity of a solution that contains 122 g of MgSO4 in 3.5 L of solution?
a) 0.271 M b) 0.630 M c) 0.550 M d) 0.290 M
How many moles of KI are present in 0.85 L of a 0.55 M KI solution?
a) 0.4675 mols b) 3.10 mols c) 0.935 mols d) 1.55 mols
If salt is being dissolved into water, salt is the
a) solvent b) solute c) dissolvee d) cool thing
A solute that does NOT conduct electricity is called
a) Electrolyte b) Solvent c) Nonelectrolyte d) Solute
Molality is
a) mols of solute / kg of solvent b) mols of solvent / kg of solvent c) mols of solute / kg of solute d) mols of solvent / kg of solute
What is the molar mass of CuFeS2?
a) 152 g b) 184 g c) 3.07 X 10^24 d) 1.108 X 10^26 g
What was the molarity of a solution containing 4.5 moles of NaCl in 100 ml?
a) 45 M b) 0.078 M c) 0.045 M d) 0.776 M
How many grams of KCO3 are needed to make a 22.4 M solution within 3.6 L?
a) 0.81 grams b) 80.64 moles c) 99 g d) 7983.36 g
How many grams of NiCl2 are in 2.56 moles?
a) 332g b) 0.026 g c) 253.44 g d) 1.54 x 10^24 g
0.450 moles of NaCl are dissolved in 95.0 mL of water. Calculate the molarity of the NaCl solution.
a) 0.0047 M b) 0.21 M c) 2.1 M d) 4.7 M
45.0 g of Ca(NO3)2 was used to create a 1.3 M solution. What is the volume of the solution?
a) 0.21 mL b) 211 mL c) 360 mL d) 4.7 mL
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