Question

Find the molarity of 12.4 g kcl in 289.2ml solution

Answer 1

Answer: 0.574M IS THE ANSWER.

Explanation:

NO OF MOLES=MASS/MOLECULAR WEIGHT=12.4/74.5=0.166 moles

MOLARITY=no of moles×1000/volume(ml)

                  =0.166×1000/289.2

                  =0.574M

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