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A ingle replacement reaction i run in the lab between 45. 0g hydrofluoric acid,HF, and 125. 0g tin forming tin(ll) fluoride and another product

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The molar mass of  tin(II) chloride is: 84.9 g

Calculate the molar mass of  tin(II) chloride?

The number of moles n1 is thus:

n1= m1/M1 = 2.25 mol

According to the balanced reaction, the ratio by number of moles n of tin(II) chloride produced to the number of moles n1 of HF used is 1:2

As such, the number of moles of tin(II) chloride produced is :

n = 1/2 [tex]n_{1}[/tex] = 0.45 mol

The molar mass of tin(II) chloride is:

M= A[tex]_{r}[/tex](Sn)+2A[tex]_{r}[/tex](Cl) = 188.7 g/mol

The mass m produced is thus:

m = nM

= 0.45 mol × 188.7 g/mol

≈ 84.9 g

Therefore, the molar mass of  tin(II) chloride is: 84.9 g.

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