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DIRECTIONS: SOLVE the following problems in percentage of mass and in volume Uve a scratch problem and GRESA METHOD in snowing your solutions (13 points)

(For Items 38-50)

1 What is the veluma % of 15 g of grape puce powder dissolved in a 40 ml of a solution?

2. Find the percurs by mass in which 180 g of gold is used to produce 24g of an aloy matar

1 Calculate the volume of solution med with a 150 ml vinegar aon dissolved to soy sauce to make 300 mL of solution.







paki sagot po kaylangan ko nalng po bukas ​