A mixture contains 20% NaCl, 30% CH4 and 50% H2O, what is the mass per – McqOptions

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1.	A mixture contains 20% NaCl, 30% CH4 and 50% H2O, what is the mass percent of NaCl?
A.	21
B.	34
C.	45
D.	68
Answer» C. 45

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