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Standard XII

Chemistry

Molar and Specific Heat Capacity

Consider the ...

Question

Consider the following data:
Element Atomic weight
A 12.01
B 35.5
A and B combine to form a new substance X. If 4 moles of B combine with 1 mole of A to give 1 mole of X, then the weight of 1 mole of X is:

154 g

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74 g

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47.5 g

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160 g

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Solution

The correct option is B 154 g
4B +A $\to$ X
X is AB $_{4}$
weight of 1 mol of X is weight of 1 mol of AB $_{4}$
weight of 1 mol of AB $_{4}$ = 1x12.01 +4(35.5)
=154 g
weight of 1 mol X =154g

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Consider the following data:ElementAtomic weightA12.01B35.5A and B combine to form a new substance X. If 4 moles of B combine with 1 mole of A to give 1 mole of X, then the weight of 1 mole of X is:

The correct option is B 154 g4B +A → XX is AB4weight of 1 mol of X is weight of 1 mol of AB4weight of 1 mol of AB4 = 1x12.01 +4(35.5)=154 gweight of 1 mol X =154g

Consider the following data:
Element Atomic weight
A 12.01
B 35.5
A and B combine to form a new substance X. If 4 moles of B combine with 1 mole of A to give 1 mole of X, then the weight of 1 mole of X is:

The correct option is B 154 g
4B +A $\to$ X
X is AB $_{4}$
weight of 1 mol of X is weight of 1 mol of AB $_{4}$
weight of 1 mol of AB $_{4}$ = 1x12.01 +4(35.5)
=154 g
weight of 1 mol X =154g