You don't have enough information to answer part a. Do you have delta H formation tables? You could use them.
b. Now that I read the other parts of the problem you don't have an equation, you don't know the gas. What's the equation? What gas are is evolved?
Urgente ...
For the production of 300 kg of sodium phosphate:
a) what the energy amount envolved in the reaction
b)what is the volum of the released gas
c)what the volum of the consumed phosphate acid, considering d=1,69g/ml
Thank so much, for who could help me!
3 answers
Well, the equation is Na2Co3(s)+H3Po4(s)=>Na3Po4(s)+H2O(l)+CO2(g). I checked this other information. I do really need this big help here guys, please!
Here is a worked example of a stoichiometry problem. Just follow the steps.
http://www.jiskha.com/science/chemistry/limiting_reagent_problem.html
http://www.jiskha.com/science/chemistry/limiting_reagent_problem.html