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Topic: Interpretation of chemical equations (changed title)  (Read 3333 times)

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Offline tony123

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Interpretation of chemical equations (changed title)
« on: March 22, 2013, 05:44:59 AM »
Sodium reacts with oxygen to produce sodium oxide.
4Na+O2+2Na2O



A- Part A
How many grams of Na2O are produced when 3.00 moles Na react?


B- How many grams of O2 are needed in a reaction that produces 76.0g Na2O  ?
« Last Edit: March 22, 2013, 05:53:43 AM by sjb »
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Offline sjb

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Re: Interpretation of chemical equations (changed title)
« Reply #1 on: March 22, 2013, 05:52:57 AM »
Quote from: tony123 on March 22, 2013, 05:44:59 AM
Sodium reacts with oxygen to produce sodium oxide.
4Na+O2  :rarrow: 2Na2O



A- Part A
How many grams of Na2O are produced when 3.00 moles Na react?


B- How many grams of O2 are needed in a reaction that produces 76.0g Na2O?

What does the (balanced) reaction equation tell you?
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Offline tony123

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Re: Interpretation of chemical equations (changed title)
« Reply #2 on: March 22, 2013, 05:54:27 AM »
2 Na
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Offline sjb

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Re: Interpretation of chemical equations (changed title)
« Reply #3 on: March 22, 2013, 06:55:30 AM »
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