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27-10-2020
Chemistry

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2C2H6 + 7 O2 ·→ 4 CO2 + 6 H2O

Use the above equation, in the following problem:

How many moles of H2O are produced from the combustion of 1.8 moles of C2H6?

Respuesta :

31-10-2020

answer:

5.4moles

Explanation:

from the equation 2 moles of C2H6 will react to give 6 moles of H2O

COMPARING

2 --- 6

1.8--- X moles

cross multiply

you get

X = (6×1.8)/2

= 5.4moles

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