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sammy [17]
3 years ago
9

2C_H. + 702 — 400, + 6H2O

Chemistry
1 answer:
astra-53 [7]3 years ago
6 0

Balanced Eqn

2

C

2

H

6

+

7

O

2

=

4

C

O

2

+

6

H

2

O

By the Balanced eqn

60g ethane requires 7x32= 224g oxygen

here ethane is in excess.oxygen will be fully consumed

hence

300g oxygen will consume  

60

⋅

300

224

=

80.36

g

ethane

leaving (270-80.36)= 189.64 g ethane.

By the Balanced eqn

60g ethane produces 4x44 g CO2

hence amount of CO2 produced =

4

⋅

44

⋅

80.36

60

=

235.72

g

and its no. of moles will be  

235.72

44

=5.36 where 44 is the molar mass of Carbon dioxide

hope this helps

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Fine the mole. 2.41 x 10^24 molecules CO2
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Answer:

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Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

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where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

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From the question we have

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We have the final answer as

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Hope this helps you

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