What is the molarity of a solution that contains 75.0 g KNO3 dissolved in .350 L solution?

can you please show me step by step on how to get this answer?

Answer:
75.0 g /MW = moles
75.0/101.1=0.742 moles
moles/liter = molarity
0.742/0.350=2.12 molar

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