How many moles (of molecules or formula units) are in each sample? part a 71.66 g cf2cl2?

Question

Clarissa Proctor

Chemistry

25 June, 08:13

How many moles (of molecules or formula units) are in each sample? part a 71.66 g cf2cl2?

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Answers (1)

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Elizabeth Price · Answer 1

Answer is: there is 0,592 moles of CF₂Cl₂.

m (CF₂Cl₂) = 71,66 g.

n (CF₂Cl₂) = m (CF₂Cl₂) : M (CF₂Cl₂).

n (CF₂Cl₂) = 71,66 g : 120,91 g/mol.

n (CF₂Cl₂) = 0,592 mol.

M - molar mass substance.

m - mass of substance.

n - amount of substance.