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What is the function of HCl in aqua regia

Asked by lovemaan5500 2nd October 2017, 12:07 PM
Answered by Expert
Answer:
In aqua regia, HCl forms tetrachloroauric acid H(AuCl4) complex with gold. 
 
2Au + 3HNO3 + 11HCl → 2H[AuCl4] + 6H2O + 3NOCl
Answered by Expert 3rd October 2017, 12:30 PM
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