Question

Determinati cate grame reprezinta 4 moli de Nichel si cati moli sunt cuprinsi in 120 grame de carbon

Answer 1

1 mol Ni.............59 g
4 moli Ni............x g
x=4•59/1
x=236 g Ni

1 mol C........12 g
x moli C.......120 g
x=1•120/12
x=10 moli C