Question

184. What quantity of limestone (CaCO3) on heating will give 56kg of CaO?
1) 1000 kg
2) 56 kg
3) 44 kg
4) 100 kg​

Answer 1

Answer:

100 kg of caco3

Explanation:

caco3=on heating cao +co2

mass of caco3 is 101

mass of cao is 57

101gm -----> 57gm

xkg --------> 56kg

cross multiply

101 x 56000 = 57000x

x = 101 x 56/57 x 1000

x = 100 x 1000gm   approximetly

x = 100 kg