Solution 38391

Prepare 100g of a 15% blue rock solution.

Correct answer:

m1 =  85 g
m2 =  15 g

Step-by-step explanation:

m=100 g p=15%=10015=203=0.15  m1+m2=m m2=p (m1+m2) m1+m2=100 m2=0.15 (m1+m2)  m1+m2=100 0.15m10.85m2=0  Row20.15 Row1Row2 m1+m2=100 m2=15  m2=115=15 m1=100m2=10015=85=85 g  m1=85 m2=15

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