What volume of air having oxygen by volume is required to completely burn of carbon containing combustible substances?

Question

What volume of air having  oxygen by volume is required to completely burn  of carbon containing  combustible substances?

Canvas Classes · Accepted Answer

Strategy:
 First, calculate the moles of Oxygen required to burn the given mass of Carbon. Then, convert those moles to a volume at NTP. Finally, account for the fact that air is only  Oxygen to find the total volume of air needed.

Step 1: Calculate moles of Oxygen required
Reaction: . 
 () of C requires  () of .
For  () of C:

Step 2: Find volume of Oxygen at NTP

Step 3: Calculate required air volume
Air contains  Oxygen.

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