A student wants to make 100 mL of 0.30 M HCl. How many milliliters of 6.0 M HCl is needed to make this solution?
Solution: Here we are presented with a dilution problem. We go from a higher molarity and make a lower molarity solution.
The equation we use is M1V1 = M2V2
(0.30 M)(100ml) = (6.0M)V2
V2 = 5.0 ml
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