1. What is the concentration of solution in step 5? *
9 grams of sugar/200ml of water
72 grams of sugar/200ml of water
45 grams of sugar/200ml of water
81 grams of sugar/200ml of water
2. What is the concentration of solution in % (v/v) made by dissolving 100 grams of sugar in a 700ml of water? *
10.5%
11.30%
12.5%
14.30%
3. The label of the 100ml rubbing alcohol that Ms. Cruz bought shows that it contains 40% isopropyl alcohol. What volume of isopropyl alcohol does the rubbing alcohol contain? *
100ml
50ml
40ml
20ml
4. How much sugar is dissolved in 200 ml of water? *
9 grams
45 grams
72 grams
81 grams
5. Which is more concentrated, a solution containing 10 grams of salt in 50 grams of water or a solution containing 40 grams of salt in 80 grams of water? *
10 grams of salt in 50 grams of water is more concentrated.
40 grams of salt in 80 grams of water is more concentrated.
10 grams of salt in 50 grams of water and 40 grams of salt in 80 grams of water are both concentrated.
Neither the 10 grams of salt in 50 grams of water nor the 40 grams of salt in 80 grams of water is concentrated.