Answer to Question #234049 in Inorganic Chemistry for adi

Question #234049

How do I calculate what volume of water should be added to 10.0 mL of 6.00 M HCL to produce a 0.500 M HCl solution?

Expert's answer

We have 10mL of 6.00 M HCL.

6.00M HCl means 6 moles of HCl are present in 1000 ml of its solution.

Thus , in 1ml of its solution 0.006 moles of HCl are present.

This implies , in 10ml 0.06 moles of HCl are present.

We want 0.5 M HCl which means we want 0.5 moles of it in 1000ml of its solution.

We have 0.06 moles of HCl .

Thus , volume of required to make it 0.5M is given by: moles of HCl / molarity of solution

Thus , volume of solution should be 0.12L = 120 ml.

Volume of Water to be added = total final volume - initial volume

= 120 - 10 = 110 ml

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