396. From a sample of 0.4925 g of a mixture of ZnS and CdS, a precipitate of Zn2P2O7 and Cd2P2O7 with a total mass of 0.6895 g was obtained. Calculate the percentage of ZnS and CdS in the sample.

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)