) Which of the following has same molecules as that are
present in 16 gm of O2 ?
(1) 32 gm SO2
(III) 7 gm NO
(A) III and IV (B) II and III (C) I and IV (D) I and II
(II) 22 gm CO2
(IV) 14 gm N
Hint.
Answers
Answered by
1
Step-by-step explanation:
Molar mass of carbon dioxide =12+2×16=44 g
Molar mass of O
2
=2×16=32 g
Number of molecules in 32 g oxygen = N
A
Number of molecules in 40 g oxygen =
32
40
×N
A
Given: molecules in 40 g oxygen = molecules of m g carbon dioxide
44
m
×N
A
=
32
40
×N
A
44
m
=
32
40
m=55 g
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