Question

chalk contains calcium, carbon and oxygen in ratio 10:3:12 find%of carbon in chalk .if in a stick of chalk carbon is 3g what is the weidht of the chalk stick​

Answer 1

$<b>$ Answer :-

Total =10+3+12=25

=>>Percentage of carbon:

=325×100=12%

Since ratio of carbon and weight of carbon are same, i.e. 3

Hence, weight of chalk stick = total of ratios = 25 g