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प्रश्न
The work done by the liberated gas when 55.85 g of iron (molar mass 55.85 g mol–1) reacts with hydrochloric acid in an open beaker at 25°C
विकल्प
– 2.48 kJ
– 2.22 k
+ 2.22 kJ
+ 2.48 kJ
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उत्तर
– 2.48 kJ
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