KVPY SA Exam 2016 Question Paper

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Question : 37 of 80

Marks: +1, -0

LiOH reacts with

CO_2

to form

Li_2CO_3

(atomic mass of Li = 7). The amount of

CO_2

(in g) consumed by 1g of LiOH is closest to

0.916
1.832
0.544
1.088

Solution:

{2\LiOH}↙{1/24}+{CO_2}↙{1/{24×2}}→\Li_2\CO_3+\H_2\O

No. of moles of

CO_2=1/48

mass of

CO_2=1/48×44=0.916\g

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