What quantity of a 30% solution do you need to make 150 ml of a 20% solution?
a. 150 m...
Mathematics, 29.01.2020 01:49 wittlemarie
What quantity of a 30% solution do you need to make 150 ml of a 20% solution?
a. 150 ml
b. 200 ml
c. 50 ml
d. 100 ml
Answers: 2
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