According to reaction, {\Mg}(s)+2 {\HCl}(a q) \to {\MgCl}_2(a q)+ {\H}_2(g) ↑ \text{. } Calculate the mass of {\Mg} required to liberate 4.48 {\dm}^3 {\H}_2 at STP? (Molar mass of {\Mg}=24 {\g} {\mol}^{-1} )

MHTCET 13 May 2023 Shift 2 Solved Paper

Section: Chemistry

Question : 35 of 150

Marks: +1, -0

According to reaction,
Mg(s)+2‌HCl(aq)→MgCl2(aq)+H2(g)↑‌. ‌
Calculate the mass of Mg required to liberate 4.48dm3H2 at STP?
(Molar mass of Mg=24gmol−1 )

12g
4.8g
6g
2.4g

Validate

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