Chemistry, 29.04.2021 21:50 marcgtz511p3pln7
Gold reacts with the elements in Group 7 of the periodic table.
0.175 g of gold reacts with chlorine.
The equation for the reaction is:
2 Au + 3 Cl2 - 2 AuCla
Calculate the mass of chlorine needed to react with 0.175 g of gold.
Give your answer in mg
Relative atomic masses (A): CI = 35.5 Au = 197
(5 marks]
Answers: 2
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Gold reacts with the elements in Group 7 of the periodic table.
0.175 g of gold reacts with chlori...
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