Some Basic Concepts Of Chemistry Question 46
Question: What is the volume of $ CO _2 $ liberated (in litres) at 1 atmosphere and $ 0{}^\circ C $ when 10 g of 100% pure calcium carbonate is treated with excess dilute sulphuric acid?
(Atomic mass $ Ca:40,C:12,O:16 $ )
Options:
A) 0.224
B) 2.24
C) 22.4
D) 224
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ \underset{1mol}{\mathop{\underset{1mol}{\mathop{CaCO _3}},}},+H _2SO _4\to \underset{10g}{\mathop{\underset{100g}{\mathop{CaSO _4}},}},+\underset{2.24,litre}{\mathop{\underset{22.4,litre}{\mathop{H _2O}},}},+CO _2 $
