write the formula and calculate the formula unit masses of potassium carbonate(atomic mass k=39,c=12,o=16)
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Formula is K2CO3
Mass = 39×2+12+16×3
= 138
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The chemical name of potassium carbonate equal to
k \binom{}{2} co \binom{}{3}
39 \times 2 + 12 + 16 \times 3
78 + 12 + 48
138u
I hope that the answer will help u
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