Question

The molarity of 900 gm of water is
(1)
50 M
(2) 55.5 M
(4) Cannot be calculated
(3) 5M
​

Answer 1

55.5M is correct answer

Answer 2

Density of water =1g/mL

Volume of 900g of water =900 mL

Moles of H2O=Given mass molecular mass =90018 =50 mol.

Molarity of H2O=50900×1000=55.55M

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