Question

Find the ratio of mass of the combining elements of compounds Ca(OH)2​

Answer 1

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Ratio by mass of the following compounds

given below :

1) CaCO :

Molar mass of calcium = 40 g

Molar mass of oxygen = 16 g

Molar mass of carbon = 12 g

Hence , ratio by mass will be = 40 : 12 : 48

= 10 : 3 : 12

2) MgCl :

Molar mass of magnesium = 12 g

Molar mass of chlorine = 35.5 g

Hence , ratio by mass will be = 12 : 71

3) H SO :

Molar mass of hydrogen = 1 g

Molar mass of sulphur = 32 g

Molar mass of oxygen = 16 g

Hence , ratio by mass = 2 : 32 : 64 = 1 :

16 : 32

4) C H OH :

Ratio by mass = 24 : 6 : 16 = 12 : 3 : 8

5) NH :

Molar mass of nitrogen = 14 g

Ratio by mass = 14 : 3

6) Ca(OH) :

Ratio by mass = 40 : 32 : 2 = 20 : 16 : 1