In which of the following pairs do 1 gm of each have an equal number of molecules ? (A) N2O and CO (B) N2 and C3O2 (C) N2 and CO (D) N2O and CO2 wrong anwer will be reported
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11th
Chemistry
Some Basic Concepts of Chemistry
Mole Concept and Molar Masses
In which of the following p...
CHEMISTRY
In which of the following pairs do 1 g of each have an equal number of molecules?
This question has multiple correct options
January 17, 2020
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Bablu Rajora
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ANSWER
When, the molar masses of two compounds are same, then 1 g of these compounds will have equal number of molecules.
(A) The molar mass of N
2
O is 44 g/mol and the molar mass of CO is 28 g/mol. Hence, 1 g of these compounds will have different number of molecules.
(B) The molar mass of N
2
is 28 g/mol and the molar mass of C
3
O
2
is 68 g/mol. Hence, 1 g of these compounds will have different number of molecules.
(C) The molar mass of N
2
is 28 g/mol and the molar mass of CO is 28 g/mol. Hence, 1 g of these compounds will have equal number of molecules.
(D) The molar mass of N
2
O is 44 g/mol and the molar mass of CO
2
is 44 g/mol. Hence, 1 g of these compounds will have equal number of molecules.
Answer:
OPTION C
Explanation:
because n2 two moles present and also in Co two moles present and then molecules are same...
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