_2__Cu + __1_O2 ---> _2__CuO If you have 15.0 moles of copper reacting with 25.0 moles of oxygen, and you go into the lab and perform the experiment and you actually produce 12.75 moles what is your percent yield?

a 85%
b 80%
c 90%
d 75%

Type the letter that represents the correct location for each particle type below.

Can someone me with 1 to 4 plz. fast

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.