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x grams of calcium carbonate was complet...

x grams of calcium carbonate was completely burnt in air. The weight of the solid residue formed is 28 g. What is the value of x (in grams)?

A

44

B

200

C

150

D

50

Text Solution

Verified by Experts

The correct Answer is:
D
`CaCO_(3)overset(O)rarrunderset("residue")(CaO)darrCO_(2)uarr`
`{:("100g",56g),("50g","28g"):}`
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