Concentration of Solutions Review Quiz
This is a practice quiz all about concentration calculations in g/L, % and Dilution. All questions are either multiple choice or short answer and are designed to help you review!

You will need a piece of loose-leaf to solve the concentration calculation questions ;) All answer require UNITS
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Saltwater is a mixture composed of water and salt. The salt is refereed to as the *
2 points
Vinegar is a mixture of acetic acid and water. The entire mixture is referred to as the *
2 points
Hot chocolate is made by mixing milk and coca powder. The milk is referred to as the *
2 points
You have 250 mL of a 20g/L solution of salt water. What is the mass of salt? *
2 points
How much milk is needed to dissolve 12 g of coca powder to make a 14.5 g/L solution of hot chocolate? *
2 points
What is the fat concentration (in g/L) of milk that contains 65 g of fat, and whose total volume is 2000 mL? *
2 points
The Baltic Sea has a salt concentration of 3.5%. What is this concentration in g/L? *
2 points
How many grams of solute are present in a 250 mL solution whose concentration is 15 g/L?   *
2 points
You are trying to chose a drink with the lowest concentration of sodium. Which is better, a 250 mL can of Perrier with 0.00225 g of sodium , or a 0.36 L bottle of Gatorade with 0.16 g of sodium? *
2 points
What is the % concentration of chocolate in a batch of chocolate milk whose volume is 2500 mL and which has 120 g of chocolate in it? *
2 points
How much sugar is required to make a 4.5 L pitcher of lemonade with a concentration of 4.58% *
2 points
What is the percent concentration (m/V) of a 200 mL solution containing 40 g of solute.   *
2 points
What has more salt? 8 mL of water from the Dead Sea with a salt concentration of 34.2%, or 10.15 mL of water from Great Salt Lake with a salt concentration of 270 g/L? *
2 points
Which has the higher amount of caffeine? A 30 mL shot of espresso with a caffeine concentration of 0.13%, or a 230 mL cup of green tea with a caffeine concentration of 0.22 g/L? *
2 points
You have 1.2 L of a 6.4 g/L solution. You add enough water so that your final volume is 8.8 L. What is the concentration of the new solution? *
4 points
What is the initial concentration of a 0.25 L solution that, when enough water was added to it so that it is 1.5 L, it's final concentration was 4.2 g/L? *
4 points
0.05L of a 15 g/L solution is diluted so that its final concentration is 0.8 g/L. What is the final volume of this solution? *
4 points
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