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Help a girl out please :)

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User EvilEddie
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1 Answer

6 votes

Answer:

94.4mg is the answer.

Step-by-step explanation:

mass of gold = 0.175g = 175mg

no. of moles = given mass / relative atomic mass

n = 175/197

n = 0.888 mol.

From the equation, mole ratio of Gold to Chlorine is 2:3

moles of chlorine = 1.5 × 0.888 = 1.33

no. of moles (chlorine) = mass/(35.5 × 2)

1.33 = m/71

m = 94.4mg

∴ mass of chlorine = 94.4mg

User Horyd
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