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If a solution of Co(NO3)2 has a concentration of 0.10 M, how many moles are contained in 500.0 mL of this solution?

1 Answer

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Volume in liters:

500.0 mL / 1000 => 0.5 L

Molarity = 0.10 M

Number of moles:

n = M x V

n = 0.10 x 0.5

n = 0.05 moles

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