How many ml of a 0.50m solution of hno3 solution are needed to make 500 ml of 0.15m hno3
1 answer:
Answer:
150.0 mL.
Explanation:
It is known that the no. of millimoles of HNO₃ before dilution = the no. of millimoles of HNO₃ after dilution. ∵ (MV) before dilution = (MV) after dilution.
<em>∴ V before dilution = (MV) after dilution / M before dilution </em> = (0.15 M)(500.0 mL)/(0.50 M) = <em>150.0 mL. </em>
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