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Tanya [424]
3 years ago
8

g Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid water and carbon dioxide gas

form aqueous glucose and oxygen gas. Calculate the moles of oxygen produced by the reaction of 0.10 of water. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
Chemistry
1 answer:
julsineya [31]3 years ago
6 0

Answer:

0.10 moles of oxygen produced by the reaction of 0.10 of water.

Explanation:

The photosynthesis reaction is given by :

6CO_2(g)+6H_2O(l)\rightarrow C_6H_{12}O_6(aq)+ 6O_2(g)

Moles of water = 0.10 mole

According to reaction, 6 moles of water gives 6 moles of oxygen gas,then 0.10 moles of water will give :

\frac{6}{6}\times 0.10 mol=0.10 mol of oxygen gas

0.10 moles of oxygen produced by the reaction of 0.10 of water.

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Answer:

Explanation:

mass of carbon in 10.27 g of CO₂ = 12 x 10.27 / 44 = 2.80 g

mass of hydrogen ( H ) in 3.363 g of H₂O = 2  x 3.363 / 18

= .373 g

These masses would have come from the sample of 6.165 g .

Rest of 6.165 g of sample is oxygen .

So oxygen in the sample = 6.165 - ( 2.8 + .373 ) = 2.992 g

Ratio of C  , H , O in the sample

2.8 : .373 : 2.992

C: H : O : : 2.8 : .373 : 2.992

Ratio of moles

C: H : O : : 2.8/12 : .373/1 : 2.992 / 16

C: H : O : : .2333 : .373 : .187

C: H : O : : .2333/.187 : .373/.187 : .187/.187

C: H : O : : 1.247 : 1.99 : 1

C: H : O : : 5 : 8 : 4 ( after multiplying by 4 )

Hence empirical formula

C₅H₈O₄

Molecular formula ( C₅H₈O₄ )n

n ( 5 x 12 + 8 x 1 + 4 x 16 ) = 132

n x ( 60 + 8 + 64 ) = 132

n = 1

Molecular formula = C₅H₈O₄.

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