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Mashutka [201]
3 years ago
14

How many ml of a 0.50m solution of hno3 solution are needed to make 500 ml of 0.15m hno3

Chemistry
1 answer:
Anna71 [15]3 years ago
7 0

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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