Question

calculate the formula unit massesof na2ok2co3​

Answer 1

Answer:

(atomic masses of Zn=65u,Na=23u,K=39u,C=12u and O=16u)

Formula unit mass of ZnO=(Atomic mass of Zn)+(Atomic mass of O)

=(65+16)u =81u

Formula unit mass of Na

2

O=(2×23)+16

=62u

Formula unit mass of K

2

CO

3

=(2×39)+12+(3×16)

=138U

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Answer 2

Answer:

138U

Explanation:

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