So whats the answer to the question because i dont know.and i am taking the same test
Answer:
C. 56 g
Explanation:
56 g S (1 mol S/ 32 g) = 1.75 mol S
1.75 mol O2 (32 g/ 1 mol O) = 56 g O2
Answer:
The source of carbon in a glucose molecule produced by photosynthesis is carbon dioxide
6.023 × individual carbon atoms are there in one mole of carbon.
Mass of a 1 atom= 12 amu
1 amu = 1.66 × gm
∴ 12 amu =1.99 × gm
∴Mass of a 1 atom=1.99 × gm
Mass of C in 1 mole = 12 gm
∴Total number of atoms of carbons in 1 mole = 12 ÷ 1.99 ×
∴Total number of atoms of carbons in 1 mole= 6.023 × atoms
6.023 × individual carbon atoms are there in one mole of carbon.
The number 6.023 × is known as Avogadro's number, which represents the number of individual atoms present in a one mole of substance with respect to atoms.
Learn more about Avogadro's number here...
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Answer:
I think is the second one