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11-11-2016
Chemistry

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What is the molarity of a solution in which 2.6 g of hcl is dissolved in enough water to make 4.7 l of solution?

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Willchemistry Willchemistry

11-11-2016

molar mass HCl = 36.46 g/mol

number of moles:

1 mole HCl -------- 36.46 g
? moles HCl ------- 2.6 g

2.6 x 1 / 36.46 => 0.0713 moles

therefore:

M = n / V

M = 0.0713 / 4.7

M = 0.0151 mol/L

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