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20-10-2017
Chemistry

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If zinc chloride weighs 136.28 g/mol, what is its molecular formula? show calculations

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barnuts barnuts

30-10-2017

We know that Zinc (Zn) has a molar mass of 65.39 g/mol. Hence the remaining is:

136.28 - 65.39=70.89

While molar mass of Chlorine (Cl) is 35.453 g/mol .

70.89 / 35.453 =2 => Cl

So the formula is ZnCl2

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