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Chemistry
Chemistry
Problem
How many mole of
Th
(
NO
3
)
4
\text{Th}(\text{NO}_3)_4
Th
(
NO
3
)
4
should be dissolved in 15 mole of water so that vapour pressure of water is reduced by 40% : a. 1 b. 2 c. 3 d. 4
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