Question

Question:

1. what is the percent by mass of a solution made by dissolving 150 g of glucose in 700 g of water?

2. what weight of solute will be required to produce 400 g of a 10% solution?

3. How many mL of ethyl alcohol is present in a 50 ml bottle of a 70% alcohol solution

4. Express the concentration of a solution prepared by dissolving 40g of salt in 160 g of water.

5. Determine the volume percent solution made by combining 25 mL ethanol with enough water tobproduce 200 mL of the solution?

Answer pls Im confused all of this​

Answer 1

Answer:

1. 25%

2. 40 ml

3.So that is seven times 5 ml Or 35 mm