Homework Answers
Molarity = moles of solute /volumes of solution in litres
1 L = 1000ml
6.0M = moles of naoh /7.0*10-3 L
Moles of naoh = 4.2*10-2 = 0.042 moles
Now
New molarity= 0.042 moles/ 400*10-3L
= 0.105 mol/L = 0.105M
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