Mole ConceptMedium
Question
A compound contains 7 carbon atoms, 2 oxygen atoms and 9.96 × 10–24 g of other elements. The molecular mass of compound is (NA = 6 × 1023)
Options
A.122
B.116
C.148
D.154
Solution
Molecular mass = 7 × 12 + 2 × 16 + (9.96 ×10−24 × 6 × 1023) ≈ 122
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
The density of 3M sodium thiosulphate is 1.25 g/ml. Identify the correct statements among the following :...A polystyrene of formula Br3C6H2(C8H8) n was prepared by heating styrene with tribromobenzyl peroxide in the absence of ...A mixture of N2 and H2 is caused to react in a closed container to form NH3. The reaction ceases before either reactant ...Time required to deposit one milli-mole of aluminium metal by the passage of 9.65 amperes through aqueous solution of al...A certain mixture of MnO and MnO2 contains 66.67 mol percent of MnO. What is the approximate mass percent of Mn in it? (...