4
QuizMultiple Choice

Lab: Rate of Chemical Reactions — Unit test

Question 4 of 25 • HS Physical Science A - CR Summer School 2026

"Na2SO3” represents sodium sulfite.What does the 4 mean in the formula 4Na2SO3?

Answer
A
There are four atoms of sodium.
B
There are four atoms of sodium sulfite.
C
There are four molecules of sodium sulfite.
D
There are four elements in sodium sulfite.
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