A compound is found to contain 31.14 % sulfur and 68.83 % chlorine by weight. To

Question

A compound is found to contain 31.14 % sulfur and 68.83 % chlorine by weight. To answer the question, enter the elements in the order presented above. QUESTION 1: The empirical formula for this compound is QUESTION 2: The molecular weight for this compound is 103.0 g/mol. The molecular formula for this compound is [ A sample of Al weighs 66.3 grams. Will a sample of lig that contains the same number of atoms weigh more or less than 66.3 grams? (more, less): Calculate the mass of a sample of Hg that contains the same number of atoms 1 grams of Hg

Explanation / Answer

Aluminium molecular weigth = 26.99 g/ mol therefore 66.3 g = 2.45 mol of aluminium. therefore for same of mercury the weight will be more

mercury molecular weight = 200.59 g/mol therefore for 2.45 mol = 491.44 g

emprical formula for S = 31.14% ans Cl = 68.83 % will be in 1:2 ratio of sulphur and chlorine respectively. therefore emprical formula = SCl2

The molecular formula for the molecular weight 103.0 g/mol will be SCl2.

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