Calculate the volume of pure water that used to dilute 100 ml of 12 M NaOH to 4.75 M.
2 answers:
molarity=number of moles/volume
First we find the number of moles of NaOH we have the molarity and the volume we transform mililiters in liters 100ml=0.1l
12=n/0.1 n=1.2 moles of NaOH
now we find the volume of the second solution
4.75=1.2/V
V=1.2/4.75=0.252l
0.252-0.1=0.152liters=152ml of pure water used to dilute
Answer:
152.63 ml.
Explanation:
By proportion to get a 4.75 M solution the volume will be
(12/4.75) * 100 = 252.63 ml
So the answer is 152.63 ml.
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