A neutral gas that is made of nitrogen and hydrogen only contains 7 g – McqOptions

MCQOPTIONS

1.	A neutral gas that is made of nitrogen and hydrogen only contains 7 g of nitrogen is in a mixture of with total mass 17 g, what is the mass fraction of the gas?
A.	0.5
B.	0.25
C.	0.45
D.	0.8
Answer» B. 0.25

Discussion

No Comment Found

Related MCQs

A mixture contains 80% of NaOH and 20% H2O by weight, what is the mole fraction of NaOH?
A mixture contains 80% of HCl and 20% H2O by weight, what is the mole fraction of HCl?
A mixture contains 10 grams each of CH4, H2O, and SO2, what is the mole fraction of CH4?
A mixture contains 9 gram each of H2O and NaCl, what is the mole fraction of NaCl?
A mixture contains 23 g of ethanol and 36 g of water, some acetic acid is added to the mixture and its mole fraction becomes 0.5, how much acetic acid was added?
A mixture of gases SO2, O2 and 4 g of N2 and total mass of mixture is 10 g, what is the sum of mole fraction of SO2 and O2?
If the mole fraction of SO2 in H2SO4 is 0.2, what is the ratio of mass of sulfur and oxygen in the solution?
A_MIXTURE_CONTAINS_23_G_OF_ETHANOL_AND_36_G_OF_WATER,_SOME_ACETIC_ACID_IS_ADDED_TO_THE_MIXTURE_AND_ITS_MOLE_FRACTION_BECOMES_0.5,_HOW_MUCH_ACETIC_ACID_WAS_ADDED??$
A mixture contains 10 grams each of CH4, H<sub>2</sub>O, and SO<sub>2</sub>, what is the mole fraction of CH4?$
A mixture contains 9 gram each of H<sub>2</sub>O and NaCl, what is the mole fraction of NaCl?$