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CBSE Class 9 Answered

The ratio by mass for magnesium and sulphur in magnesium sulphide is given as 3:4. Calculate the ratio by number of atoms for magnesium sulphide
Asked by bis0584 | 17 Mar, 2015, 06:28: PM
answered-by-expert Expert Answer

Dear Muskan,

 

Atomic mass of Mg = 24 g

Atmic mass of S = 32 g

Ratio of Mg and S in MgS = 24:32 = 3:4

Mass ratio / Atomic mass of Mg = 3/24 = 1/8

Mass ratio / atomic mass of S = 4/32 = 1/8

Hence, the ratio of atoms in MgS is = (1/8) : (1/8) = 1:1  

 

Answered by | 17 Mar, 2015, 06:47: PM

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