The reaction An+CuSO_4toZnSO_4 goes completely to the right. In an experiment, 10.0 g of Zn was added to 200 " mL of " CuSO_4 solution. After all the Cu was precipitated, it was found that not all the Zn had dissolved. After filtration, the total weight of the solid at the end of the reaction was 9.810 g. Calculate. (a). The weight of copper deposited and, (b). Molarity of CuSO_4 in the original solution.

The reaction An+CuSO_4toZnSO_4 goes completely to the right. In an exp

1.	The reaction An+CuSO_4toZnSO_4 goes completely to the right. In an experiment, 10.0 g of Zn was added to 200 " mL of " CuSO_4 solution. After all the Cu was precipitated, it was found that not all the Zn had dissolved. After filtration, the total weight of the solid at the end of the reaction was 9.810 g. Calculate. (a). The weight of copper deposited and, (b). Molarity of CuSO_4 in the original solution.
Answer» Solution :LET the WEIGHT of COPPER deposited be x g . Weight of usused `Zn=9.81-x g` and the weight of Zn USED`=10-(9.81-x)=0.19+x g` `Zn+CuSO_4toZnSO_4+Cu` `therefore(0.19+x)g of Zn=(63.5(0.19+x))/(65.4)g of Cu` `therefore(63.5(0.19+x))/(65.4)=x` `x=0.185+0.97x=6.37g` `Mkk=(W_2xx100)/(Mw_2xx"volume of solution in ML")` `=(6.37xx1000)/(6.35xx200)=0.501`