SATHEE: Some Basic Concepts of Chemistry - Result Question 7

Some Basic Concepts of Chemistry - Result Question 7

####8. $1.0 g$ of magnesium is burnt with $0.56 g O_{2}$ in a closed vessel. Which reactant is left in excess and how much?

(At. wt. $M g = 24; O = 16$ )

[2014]

(a) $M g, 0.16 g$

(b) $O_{2}, 0.16 g$

(c) $M g, 0.44 g$

(d) $O_{2}, 0.28 g$

Show Answer

Solution:

$∴$ Molar Ratio $= \frac{1}{2} \times \frac{32}{4} = 4 : 1$

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