Răspuns:
miu,CaCL2=111g/mol
miu,AgCl=143,5g
c=mdx100/ms---> md= cxms/100= 15x75/100g=11,25gCaCl2
111g..............................................2x143,5g
CaCl2 + 2AgNO3-------> 2AgCl + Ca(NO3)2
11,25g..................................x
x=29gAgCl
Explicație: