Question

Calculate the molarity of NaOH in the solution prepared by dissolving its 4 gram in enough water to

form 250 ml of the solution.​

Answer 1

Answer:

NaOH = 40 g / mol

n = 4 / 40 = 0.1 mol

V = 250 ml = 0.25 L

M = 0.1 / 0.25

M = 2 / 5 mol / L

= 0.4 mol / L

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