General Knowledge - Chemistry - Discussion
Discussion Forum : Chemistry - Section 1 (Q.No. 24)
24.
What are the number of moles of CO2 which contains 16 g of oxygen?
Answer: Option
Explanation:
One mole of CO2 has mass of 44 g and 32 g of O2. So 16 g of O2 have 22 g of CO2 or 0.5 moles of it.
Discussion:
13 comments Page 2 of 2.
Naresh said:
5 years ago
Total mass equal to 32 how? Explain please.
Ganesh K M M said:
4 years ago
Since.
C+ O2 ---> CO2
1mol 1mol 1mol
12 g+32g 44g,
(2*16)
32g of O2 gives 44g of CO2.
16g of O2 gives ?.
So, (16*44)/32 = 22g,
we know, No.of moles = Given mass/Molar mass,
= 22/44,
= 1/2 = 0.5 moles.
C+ O2 ---> CO2
1mol 1mol 1mol
12 g+32g 44g,
(2*16)
32g of O2 gives 44g of CO2.
16g of O2 gives ?.
So, (16*44)/32 = 22g,
we know, No.of moles = Given mass/Molar mass,
= 22/44,
= 1/2 = 0.5 moles.
(8)
Hamza Tahir said:
3 years ago
Nice, Thanks everyone for explaining the answer.
(1)
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