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04-10-2016
Chemistry

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How many moles of HCl are present in 40.0 mL of a 0.035 M solution? 1. 0.0014 mol 2. 0.0060 mol 3. 0.25 mol?

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05-10-2016

40.0mL(1 L/1000 mL) = 0.040 L

then plug into the formula M = moles/liters

0.035 M = moles/ 0.040L

multipy both sides by 0.040L, and you get 0.0014 moles

so the answer is 1

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