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27-03-2021
Chemistry

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Calculate the relative formula mass (Mr) of gold chloride (AuCl3).
Relative atomic masses (Ar): Cl = 35.5 Au = 197

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27-03-2021

Answer:

197 + (35.5×3) = 303.5

Explanation:

relative formula mass is the sum of the relative atomic masses of the atoms in the formula ( AuCl3 )

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