Question

Calculate the number of moles in 9.5g of mgcl2

Answer 1

Answer:

0.1 moles

Explanation:

one mole of mgcl2 contains 24+(35.5*2) = 24+71 = 95 g (molecular mass)

95 g = 1 mole

so one g = 1/95

so 9.5 g= (1/95)*9.5 = 1/10 = 0.1 moles

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