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QuizMultiple Choice

Compounds

Question 1 • PBCSD_Grade_Forgiveness_2003310_Physical Science_S1_2022

Elena makes the table below to determine the number of atoms of each element in the chemical formula 3(NH4)2SO4.What mistake did Elena make?

Question illustration
Answer
A
She should not have multiplied the sulfur atoms by the subscript 4.
B
She should not have multiplied the nitrogen atoms by the subscript 2.
C
She should not have multiplied the oxygen atoms by the coefficient 3.
D
She should not have multiplied the hydrogen atoms by the coefficient 3.
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