
Percentage volume and mass composition in a solution
Quiz by Ujah Joseph
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10 questions
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- Q1If you dissolve 20 grams of salt in 80 grams of water, what is the percent by mass of salt in the solution?10%5%20%25%30s
- Q2Samantha prepares a solution by dissolving 50 grams of sugar in 150 grams of water. What is the percentage volume of sugar in the solution?33%50%25%10%30s
- Q3A scientist mixes 40 mL of alcohol with 160 mL of water to make a solution. What is the percentage by volume of alcohol in the solution?20%25%15%30%30s
- Q4In a laboratory experiment, a student dissolves 25 grams of sodium chloride (table salt) into 475 grams of water. What is the percentage by mass of sodium chloride in the solution?5%20%10%2.5%30s
- Q5A chemist mixes 10 grams of hydrogen peroxide with 90 grams of water. What is the percentage by mass of hydrogen peroxide in the mixture?1%10%50%25%30s
- Q6If a solution is made by dissolving 15 grams of sugar in 135 grams of water, what is the percentage by mass of sugar in the solution?11%10%20%5%30s
- Q7A student dissolves 5 grams of salt into 195 grams of water. What is the percent by mass of water in the solution?50%97.5%2.5%75%30s
- Q8Jenny prepares a solution by mixing 20 grams of alcohol with 180 grams of water. What is the percentage by mass of alcohol in this solution?15%5%20%10%30s
- Q9A solution is made by dissolving 30 grams of glucose in 270 grams of water. What is the percentage by mass of glucose in the solution?11%5%10%25%30s
- Q10What is the percentage by volume of vinegar in a solution if 25 mL of vinegar is mixed with 75 mL of water?33%75%25%50%30s