Textbook Problem M11

[Rachel Bartley 2B]

For textbook Problem M11, I found O2 to be the limiting reactant for a, but I am still confused for how to solve b and c despite reading past responses for the questions! I don't know where to start, and anything will help!

[WendyN_L2]

For b) it is asking for P4O16 and this is created from the excess oxygen from the very first step, so you would find how much does 5.77g P4 use up oxygen. Once you find out how much oxygen it uses you subtract that amount from the 5.77g oxygenate get the excess. The with the excess oxygen you can find P4O16.
For c, you have to use the first reaction, how much P4O6 is created from 5.77g of P4.
Then in the second reaction, find out how much P4O6 was used up by the excess oxygen.
You would subtract these two values because P4O6 was created in reaction one, but then some of it was used up in reaction 2.
Hope this helps