Question

How many total moles of KNO3 must be dissolved in water to make 1.5 liters of a 2.0 M solution?

(1) 0.50 mol (3) 3.0 mol
(2) 2.0 mol (4) 1.3 mol

Answer 1

(3) 3.0 mol

Step-by-step explanation:

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Answer 2

1.5 L KNO3 solution* (2.0 mol KNO3/ 1 L KNO3 solution)= 3.0 mol KNO3.

The correct answer is (3) 3.0 mol.

Hope this would help~