Chemistry, asked by sabina8623, 9 months ago

Calculate the formula unit mass of na2so4.

Answers

Answered by Mayank200627

17

Answer:

Convert grams Sodium Sulfate to moles or moles Sodium Sulfate to grams

Molecular weight calculation:

22.989770*2 + 32.065 + 15.9994*4

Molar mass of Na2SO4 = 142.04214 g/mol OR 142 u

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Answered by seabird1234

34

Answer:

Na-23

S-32

O-16

then,

na2so4

=23x2+32+16x4

=46+32+64

=142u

therefore;the unit mass of na2so4=142u

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