Question

Miss Anna Litical wants to decompose a 25 g sample of limestone containing 90%
Caco3, obtained from the Geology Laboratory of the college, using 80% w/
Sulphuric Acid :
CaCO3 + H2SO4. - CaSO4 + H2O + CO2
Calculate the l) mass of 80% w/w H2SO4, that she should use so that there is no
unreacted Sulphuric Acid left behind.
ii) volume of CO2 gas at STP that will be liberated during the reaction.
[Given: Ca = 40, C = 12,0 = 16, S = 32, H = 1]​

Answer 1

Answer:

$}^{2} \times \frac{?}{?} }^{?} }^{2}$

Explanation:

Bb, hey BBC