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A mixture of MgO and Mg weighing 10 g is...

A mixture of MgO and Mg weighing 10 g is treated with excess of dil `HCl`. Then 2.24 lit of `H_(2)` gas was liberated under STP conditions . The mass of MgO present in the sample is

A

2.4g

B

7.6g

C

8g

D

2g

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
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  16. How many moles of acidified FeSO(4) can be completely Oxidised by one ...

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  19. The atomic masses of two elements A and B are 20 and 40 respectively. ...

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  20. In the formation of Al(2)O(3) from Al and O(2), if 1.5 mole of oxygen ...

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