goi so mol tung chat la x y z ta co74.5x+95y+58.5z=6.665tinh dk Mg khi them vao la 0.15cho hcl vao tinh duoc mg du la 0.05 tim mg phan ung la 0.1Mg +2AgNO3>>> 2Ag + Mg(NO3)20.1 0.2 tim AgCl la 0.13bao toan nto x + 2y +z=0.13va y=0.05 ( chat ran la MgO lay so mol MgO - so mol Mg phan ung vs dd AgNO3 )giai x=0.01 y=0.05 z=0.02
goi so mol tung chat la x y z ta co74.5x+95y+58.5z=6.665tinh dk Mg khi them vao la 0.15cho hcl vao tinh duoc mg du la 0.05 tim mg phan ung la 0.1Mg +2AgNO3>>> 2Ag + Mg(NO3)20.1 0.2 tim AgCl la 0.13bao toan nto x + 2y +z=0.13va y=0.05 ( chat ran la MgO lay so mol MgO - so mol Mg phan ung vs dd AgNO3 )giai x y z
goi so mol tung chat la x y z ta co74.5x+95y+58.5z=6.665tinh dk Mg khi them vao la 0.15cho hcl vao tinh duoc mg du la 0.05 tim mg phan ung la 0.1Mg +2AgNO3>>> 2Ag + Mg(NO3)20.1 0.2 tim AgCl la 0.13bao toan nto x + 2y +z=0.13va y=0.05 ( chat ran la MgO lay so mol MgO - so mol Mg phan ung vs dd AgNO3 )giai x
=0.01 y
=0.05 z
=0.02