Question

④ Write the meaning of formula unit mass calculate the
formula unit mass of a
Compound, Na2S2O3
(Given atimic mass of Na=23u S=32u O=16u)​

Answer 1

Answer:

the formula unit mass is the atomic mass of the compound so that is your first answer

come on the point

= atomic mass of Na × 2 + atomic mass of S × 2 + atomoc mass of O × 3

= 23 × 2 + 32 × 2 + 16 × 3

=46 + 64 + 48

= 158u

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Answer 2

Answer:

the formula unit mass is the atomic mass of the compound so that is your first answer

come on the point

= atomic mass of Na × 2 + atomic mass of S × 2 + atomoc mass of O × 3

= 23 × 2 + 32 × 2 + 16 × 3

=46 + 64 + 48

= 158u

Explanation: