Question

Write the name of compound NaOH and deduce its
molecular mass
Na = 28, 0 = 16, H=T​

Answer 1

Answer:

a. Na

2

SO

4

- Sodium sulphate

Molecular mass = sum of masses of individual components

2(23)+32+4(16)=142g

b. K

2

CO

3

- Potassium carbonate

2(39)+12+3(16)=138g

c. CO

2

- Carbon dioxide

12+2(16)=44g

d. MgCl

2

- Magnesium chloride

24+2(35.5)=95g

e. NaOH - Sodium hydroxide

23+16+1=40g

f. AlPO

4

- Aluminium phosphate

27+31+4(16)=122g

g. NaHCO

3

- Sodium bicarbonate

23+1+12+3(16)=84g

Explanation:

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