Gold reacts with elements in group 7 of the periodic table 0.175g of gold reacts with chlorine. The equation for reaction for the reaction is
2Au + 3cl2 ——> 2Aucl3
Calculate the mass of chlorine needed to react with 0.175g of gold. Give your answer in mg
Relative atomic masses cl=35.5 Au=197

it was spontaneous.

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