victoria2613
victoria2613 victoria2613
  • 11-02-2021
  • Chemistry
contestada

What is the percent composition by mass of oxygen in the compound
MgSO4?
20%
46%
53%
27%

Respuesta :

josephbonkena
josephbonkena josephbonkena
  • 11-02-2021
Solving for the percent composition by mass of sulfur . The formula would be: \%S=m mass of sulfur / mass of compound x 100% Plugging in our data: \%S=32 amu / amu x 100% 0.266666 * 11 100% \%S=26.66 % Rounded off to two significant numbers it will be 27%. Therefore the answer is number 2 .
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