(a)[1]
Calculate the $M_r$ for lead(II) nitrate.
(b(i))[2]
Calculate the mass of lead(II) oxide produced.
(b(ii))[2]
Calculate the volume of oxygen, $\text{O}_2$, produced at room temperature and pressure (r.t.p.).
(c)[2]
Describe a test for oxygen. test ........ observation ........
(d(i))[1]
What does the term excess mean?
(d(ii))[1]
How would the student know when the lead(II) oxide has become excess?
(d(iii))[1]
Write a chemical equation that represents the reaction.