20 ml of sulphuric acid of concentration 0.4 is diluted by adding
water such that the concentration becomes 0.3. What is the
quantity of water added?
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7
Answer:
The answer is 6.6 ml
Step-by-step explanation:
In order to calculate concentration or volume of the concentrated or dilute solution The equation that is used is
M1V1 = M2V2
Given data:
M1 = 0.4
M2 = 0.3
V1 = 20ml
V2 = ?
M1V1 = M2V2
0.4 x 20 = 0.3 x V2
8 = 0.3 x V2
V2 = 8/0.3
V2 = 26.6 ml
The quantity of water added is V2 - V1 = 26.2 - 20 = 6.6 ml
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