Leya V.

asked • 05/11/21

i need help asap

seventeen milliliters of the 0.7 m hcl solution is mixed with 13 ml of distilled water. what is the ph of the new solution?

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Abbas F. answered • 05/11/21

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The new molarity of HCl can be calculated by the dilution formula M1V1 = M2V2 or (0.7)(17) = M2(17+13) --->

M2 = (0.7)(17)/(30) = 0.397 M. HCl is a strong acid, thus [H3O+] = 0.397 ---> pH = -log (0.397) = 0.40.

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Leya V.

thank you!
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05/11/21

Leya V.

can you help me with my other questions? :)
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05/11/21

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