Question

calculate the formula unit mass of potassium carbonate

Answer 1

K2CO3
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atomic mass of potassium = 39
atomic mass of oxygen = 16
atomic mass of carbon = 12

(39 x 2 )+ 12 + (16 x 3 )
= 78 + 12  + 48
=138
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Answer 2

and the final answer is 138 unit

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