Question

Calculeaza cantitatea de substanta daca masa fiecareia din ele este egala cu 100g(raspunsul cu aproximatie pina la zecimi) O2,Co2,SO3,H2,N2,O2,Br2,Cl2,va rog rapid

Answer 1

MN2=28g/mol

n=m/M=100/28=3.571 moli N2

MCO2=44g/mol

n=m/M=100/44=2.(27) moli

MSO3=80g/mol

n=m/M=100/80=1.25 moli SO3

MH2=2g/mol

n=m/M=100/2=50 moli H2

MO2=32g/mol

n=m/M=100/32=3.125 moli O2

MBr2=160g/mol

n=m/M=100/160=0.625 moli Br2

MCl2=71g/mol

n=m/M=100/71=1.40845 moli Cl2