problem and GRESA METHOD in (For items 38 - 50) 1. What is the volume % of 15 g of grape juice powder dissolved in a 40 mL of juice solution? 2. Find the percent by mass in which 18.0 g of gold is used to produce 24 g of an alloy material. 3. Calculate the volume % of solution mixed with a 150 mL vinegar solute dissolved to soy sauce to make 300 mL of solution motimes and that's OKAY!"​