Question

calculate the mass percentage of:
sulfur BaSO4

Answer 1

hey mate,
here is the answer
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.

molecular mass of BaSO4
is
137.32 + 32.06 + 4(16) = 234 (approx)

atomic mass of sulphur is 32

so mass percentage is
$= > \: \frac{32}{234} \times 100$
$= > \: \: \: 13.73\%$

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