Question

Calculate the formula unit mass CaCo3

Answer 1

Answer:

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Yes

Explanation:

ca = 40 u

C = 12u

O = 16 u

40+12+3(16) = 40+12+48 = 100u

Answer 2

Explanation:

The formula unit mass is the sum of the individual atomic weights of the elements that make up the compound.

atomic weight of Ca = 40

" " of C = 12

" " of O = 16

formula unit mass of CaCO3 = 40 + 12 + (16×3)

= 40 +12 +48

= 100

Therefore the formula unit mass of CaCO3 = 100 a.m.u (atomic mass unit)

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