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  • what is the mass of ppt when 50 ml of 16.9%solution of AgNo3 is mixed with 50ml of 5.8% NaCl solution.

KARTHIK. VIJAYAN

FARIDABAD

Answers (1)

best_answer

Mass percent of solution -

Mass percent = ((mass of solute)/(mass of solution) ) X 100

 

- wherein

 it is the mass of solute present in 100-gram solution.

 

 16.9% solution of AgNO3 means 16.9g AgNO3 in 100ml solution.

50ml of solution contains \frac{16.9}{2}\:=\:8.45g

Similarly, 100ml of other solution contains 5.8g NaCl

50ml of other solution contains 2.9g NaCl

Mol of AgNO3 =       \frac{8.45}{169.8}\:=\:0.049

Mol of NaCl =            \frac{2.9}{58.5}\:=\:0.049

AgNO3 + NaCl \rightarrow Ag0Cl + Na0NO3

0.049        0.049      0.049       0.049     

0               0              

Mass of AgCl = 0.049 x Molar mass of AgCl

                     = 0.049 x 143.5 = 7g

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