the amount of zinc required to produce 224 ml of H2 at STP on treatment with dilute H2 S o4 will be how to do this question with equivalent mass concept
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Let us consider the problem.
zinc reacts with sulfuric acid according to the following formula.
Zn+H
2
SO
4
→ZnSO
4
+H
2
Therefore, 1 mole of zinc reacts to give 1 mole of hydrogen
Volume of 1 mole of hydrogen at STP is 22400 ml
1 mole of Zn is 65 grams
Therefore 0.65 grams of zinc reacts to give 224 ml of hydrogen.
Hence, the correct option is A
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