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24-07-2017
Chemistry

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What is the molarity of a solution that contains 9.63 grams of HCl in 1.5 liters of solution? 1 H 1.01 Hydrogen 17 Cl 35.45 Chlorine

Respuesta :

Willchemistry Willchemistry

24-07-2017

Hey there !

Molar mass HCl :

HCl =1.01 + 35.45 => 36.46 g/mol

Number of moles ( solute) :

n = m / mm

n = 9.63 / 36.46

n = 0.2641 moles

Therefore :

M = moles / volume ( L )

M = 0.2641 / 1.5

=> 0.176 M

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