Question

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21.6g of silver coin is dissolved in $HNO3.$ When NaCl is added to this solution, all silver is precipitated as AgCl which is found to be 14.35g then, the % of silver in the coin is .....?

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Answer 1

$No\:\:Spamming!!\\\\your\:\:answer:\\\\let\:\:weight\:\:of\:\:silver\:\:be:\:\:x\\\\No.\:\:of\:\:moles\:\:of\:\:Ag\:\:=\:\:No.\:\:of\:\:moles\:\:of\:\:AgCl\:\:precipitated\\\\Molar\:\:mass\:\:of\:\:AgCl=143.5\\\\=>\:\:\frac{x}{108} = \frac{14.35}{143.5}\\\\=\frac{x}{108}=0.1\\\\=>x=10.8$

$\\\\percentage\:\:of\:\:silver\:\:=\frac{10.8}{21.6}\times100=50\:\: percentage\\\\Hope\:\:it\:\:helps\:\:you\\\\Please\:\:mark\:\:me\:\:brainliest$