Question

Să se calculeze procentul de carbon din CO si CO2.

Answer 1

masa molara CO = 12+16=28
28 g CO...........12 g C.........16 g O
100 g CO............x

x=(100x12)/28=42,85% C

masa molara CO2=12+32=44
44g CO2......12g C
100g CO2.....y

y=(100x12)/44=27,27 % C