A mixture contains 20% CO₂, 30% SO₂ and 50% H₂O, what is the mas – McqOptions

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1.	A mixture contains 20% CO₂, 30% SO₂ and 50% H₂O, what is the mass percent of CO₂?
A.	23
B.	45
C.	66
D.	87
Answer» B. 45

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