Calculate the molarity of pure water (d = 1 g mL-1). – InterviewSolution

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1.

Calculate the molarity of pure water (d = 1 g mL-1).

Answer»

Desity of water = 1 g mL^-1

Mass of 1000 ml of water = V xd

= 1000 mL x 1 gm^-1

= 1000 g

Moles of water 1000/18= 55.55 mol

Now, mole of H₂O present in 1000 mL or 1 L of water.

So, molarity = 55.55M

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