Which of the following contains the smallest percentage by mass of sulphur?
(A) SO3
(B) SO2
(C) H2S
(D) H2S207
Answers
Answered by
3
Answer:
H2S
Explanation:
Sorry I can't help anymore...even I have to give my test........I am about to complete chemistry
Answered by
1
Answer:
The answer is option C : H2S
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