liolaLail2ayelioBr liolaLail2ayelioBr

03-05-2017
Chemistry

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A solution is preapred by dissolving 17.75 g sulfuric acid h2so4 in enough water make 100 ml of solution. what is the molarity

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JavierCollante JavierCollante

03-05-2017

Molarity= moles/ Liters
100mL= 0.100 liters

you need to change the grams to moles using the molar mass.

Molar mass= 2(1.01) + 32.0 + 4(16.0)= 98.02 grams/mole

17.75 grams (1 mole/ 98.02 grams)= 0.181 moles

molarity= 0.181 moles/ 0.100 Liter= 1.81 M

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