Homework Help: chemistry

Posted by jay on Tuesday, February 26, 2008 at 3:51pm.

if the ratio of oxygen to air is approximately 1 to 5 and the ratio of oxygen to ethyne is 2 to 5, how do i calulate the ratio of air to ethyne?

chemistry - DrBob222, Tuesday, February 26, 2008 at 4:03pm
Write the balanced equation for ethyne reacting with oxygen; I assume that is the 2:5.
Then g oxygen need for the combustion of ethyne x 1/0.2 = ??
OR you need 5 times as much air as oxygen.
- chemistry - jay, Tuesday, February 26, 2008 at 4:21pm
  wat is g
chemistry - jay, Tuesday, February 26, 2008 at 4:19pm
what is g
chemistry - DrBob222, Tuesday, February 26, 2008 at 5:41pm
I wrote g to stand for grams. So grams of oxygen you need (or tons or kilotons or what have you) x 5 will be g/tons/kilotons/whathaveyou of air you will need to obtain that much oxygen.

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