Question

What will be the molarity of a solution, which contains 5.85 gm of NaCl (s) per 500ml? a) 4 mol/L b) 20 mol/L c) 0.2 mol/L d) 2 mol/L

Answer 1

Answer:

Molarity, M = number of moles/volume of solution M = nV Number of moles, n = mass/molar massMolar mass of NaCl = 58.5 g/molMass = 5.85g n = 5.85/58.5 ..

Answer 2

Answer:

c) 0.2 mol/L

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