Question

Chalk contains calcium, carbon and sand in the ratio 12:3:10. Find the percentage of carbon in the chalk. Please answer with statements and therefore and then the equation....​

Answer 1

ǫᴜᴇsᴛɪᴏɴ:-
Chalk contains calcium, carbon and sand in the ratio 12:3:10. Find the percentage of carbon in the chalk. Please answer with statements and therefore and then the equation....​

Aɴsᴡᴇʀ:-
Gɪᴠᴇɴ,

ᴄᴀʀʙᴏɴ ᴀɴᴅ sᴀɴᴅ ɪɴ ᴛʜᴇ ʀᴀᴛɪᴏ ɪs 12:3:10

Tʜᴇ sᴜᴍ ᴏғ ʀᴀᴛɪᴏ =12+3+10=25

Aɴᴅ, ᴄᴀʀʙᴏɴ ʀᴀᴛɪᴏ =3
Pᴇʀᴄᴇɴᴛᴀɢᴇ = (3/25)×100=3×4=12%(ᴀɴs)