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Final Jeopardy Question

Percent Solutions Molarity Dilutions

Mixed Practice

10 10 10 10

20 20 20 20

30 30 30 30

40 40 40 40

10 Point Question10 Point Question

Find mass when concentration (%m/v) is 4% and volume of solution is 750 mL.

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30 g

20 Point Question20 Point Question

What is the volume of alcohol present in 200 mL of a 55% (v/v) solution?

110 mL

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30 Point Question30 Point Question

What is the percent concentration (%m/v) of 400 mL of a solution that

contains 60g of CaCl2?

15%

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40 Point Question40 Point Question

What is the percent concentration (%m/m) when 25 g of NaCl are dissolved

in 50 g of water?

33 %

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10 Point Question10 Point Question

What is the molarity of a solution containing 1.2 g NaCl in 450 mL of

solution?

.0460 M

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20 Point Question20 Point Question

What is the molarity of a solution conatining 9.0 moles of solute in 500

mL of solution?

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4.5 M

30 Point Question30 Point Question

What is the number of moles of solute in 250 mL of a 0.4 M solution?

0.1 moles

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40 Point Question40 Point Question

What mass of NaCl is needed to make 500 mL of a 0.200 M solution?

5.8 g NaCl

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10 Point Question10 Point Question

How many mL of a 2.00 M NaBr solution are needed to make 200 mL

of 0.500 M NaBr?

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50 mL

20 Point Question20 Point Question

If 2.00 mL of 6.00 M HCl is used to make a 500 mL aqueous solution, what is the molarity of he dilute

solution?

0.024 M

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30 Point Question30 Point Question

How is the molarity affected if more solvent is added to the solution?

The molarity decreases

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40 Point Question40 Point Question

How many mL of 3.00 M HCl are needed to make 300 mL of 0.10 M

HCl?

10 mL

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10 Point Question10 Point Question

If the percent concentration (% m/v) is 4 % and the volume of solution is 1500 mL, what is the mass of the

solute?

60 g

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20 Point Question20 Point Question

If the volume of the solute is 62.00 mL and the volume of the solvent is 300

mL, what is the percent concentration (%v/v)?

17.1 %

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30 Point Question30 Point Question

Calculate the molarity of a solution prepared by dissolving 175 g of KNO3

with a total of 750 mL solution.

2.31 M KNO3

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40 Point Question40 Point Question

Draw a picture of an Erlenmeyer flask.

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How many mL are in 5 L?

5000 mL… mL to L divide, L to mL multiply!!!!!