Question

Calculate the empirical formula of gold chloride which contains 35.1 % of chlorine. Atomic mass of
Au = 197
A) Auci
B) Au,CI
C) AU, CI
D) AuCI.
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Answer 1

Calculation of an Empirical Formula

Step 1: Obtain the mass of each element present in grams. Element % = mass in g = m.

Step 2: Determine the number of moles of each type of atom present. ...

Step 3: Divide the number of moles of each element by the smallest number of moles. ...

Step 4: Convert numbers to whole numbers.

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