Question

Masa de dioxid de sulf obtinuta cu 5% pierderi, prin arderea sulfului in 64g Oxigen este?

Answer 1

MO2=2AO=2*16=32g/mol

MSO2=AS+2AO=32+2*16=64g/mol

n=m/M=64/32=2 moli O

S + O2 = SO2

1 mol O2.................64g SO2
2 moli O2................x=128g SO2

95/100*128=121,6g SO2