Answer to Question #229427 in General Chemistry for Joel uduak

Question #229427

A quantity control analyst mixes 30.0ml of 0.255M BaCl2 with excess AgNO3 causing AgCl to precipitate and subsequently isolates 2.01g of AgCl. Show a balanced equation for the reaction and calculate the percent yield of the reaction. (BaCl2:208.23g/mol, AgCl:143.32g/mol)


1
Expert's answer
2021-08-25T06:37:32-0400

2AgNO3 (aq) + BaCl2 (aq) → 2AgCl (s) + Ba(NO3)2 (aq)

"Moles = Molarity \u00d7 Volume(l)"


"Moles(BaCl_2)=0.2555\u00d7\\frac{30.0}{1000}=0.008moles"


"Moles (AgCl)= 2\u00d70.008=0.016moles"


"Mass(AgCl)=0.016\u00d7143.32=1.147grams"



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