Question

write the name of the following compound and find its molecular mass (Na2 SO4).Atomic masses :-Na=23,S=32,O=16.​

Answer 1

Answer:

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Answer 2

Answer:

Na

2

SO

4

: Sodium sulphate

Molecular Mass : 23(2)+32+16(4) = 46+32+64 = 142 g/mol

K

2

CO

3

: Potassium carbonate

Molecular Mass : 39(2)+12+16(3) = 78+12+48 = 138 g/mol

CO

2

: Carbon dioxide

Molecular Mass : 12+16(2) = 12+32 = 44 g/mol

MgCl

2

: Magnesium chloride

Molecular Mass : 24.31+35.5(2) = 95.31 g/mol

NaOH : Sodium hydroxide

Molecular Mass : 23+16+1 = 40 g/mol

AlPO

4

: Aluminium phosphate

Molecular Mass : 27+31+16(4) = 27+31+64 = 122 g/mol

NaHCO

3

: Sodium bicarbonate

Molecular Mass : 23+1+12+16(3) = 23+1+12+48 = 84 g/mol

Explanation:

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