Photosynthesis reactions are the process that occurs in the plants to yield oxygen from food. In the process, 55 gm of carbon dioxide produces 40 gm of oxygen. Thus, option B is correct.
What is photosynthesis?
Photosynthesis is a metabolic reaction that takes place in the plant cell where the sun energy converts the water and carbon dioxide into sugar (glucose) and oxygen.
The photosynthetic reaction is given as,
6H₂O + 6 CO₂ → C₃H₁₂O₆ + 6O₂
In the above reaction, there are 6 moles of carbon dioxide needed to produce 6 moles of oxygen. Hence, moles of carbon dioxide consumed = moles of oxygen produced.
Mass from moles is calculated as,
Moles = mass ÷ molar mass
Equating moles of both CO₂ and O₂,
mass ÷ molar mass = mass ÷ molar mass
55 ÷ 44 = m ÷ 32
m = 55 × 32 ÷ 44
= 40 gm
Therefore, 40 gm of oxygen is produced from 6 moles of carbon dioxide.
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