zayzay123 zayzay123

04-01-2016
Chemistry

Answered

A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound

Verified Answer :

Anonymous Anonymous

04-01-2016

♥ Gather information we know:
Total Mass: \(14.5+3.5\)
Solve:
\(=18g\)
Gather more information and solve:
Percent of Oxygen: \(\frac{3.5}{18}\) \(* 100\)

Final answer: 19.44%

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laylacee20 laylacee20

26-03-2021

Answer:

For Edmentum/Plato users, the correct answer is B. 19.44%

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