Quiz #4-3 PRACTICE: Concentration of Solutions
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What is the molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K2Cr2O7 to 500. mL?
What is the concentration in % (m/v) of a NaCl solution prepared by dissolving 9.3 g of NaCl in sufficient water to give 350 mL of solution?
How many grams of NaOH are there in 500.0 mL of a 0.175 M NaOH solution?
2.19 x 10-3 g
How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?
What volume of a concentrated solution of potassium hydroxide (6.00 M) must be diluted to 200. mL to make a 0.880 M solution of potassium hydroxide?
What is the concentration of a sodium chloride solution prepared by dissolving 0.159 moles of NaCl in sufficient water to give 350 mL of solution?
What is the concentration of an aqueous methanol solution produced when 0.200 L of a 2.00 M solution was diluted to 0.800 L?
What is the molarity of an aqueous solution containing 22.5 g of sucrose (C12H22O11) in 35.5 mL of solution?
A solution contains 28% phosphoric acid by mass. This means that:
1 L of this solution contains 28 mL of phosphoric acid
1 mL of this solution contains 28 g of phosphoric acid
1 L of this solution has a mass of 28 g
100 mL of this solution contains 28 g of phosphoric acid
As more salt is dissolved in water, what will happen to the boiling point of that solution?
it will decrease
it will increase
it will stay the same
it will not be measurable
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