D) +1 27. What is the oxidation number of phosphorus inPO-?
a) -3
b) +5
c)-8
d) +3
28
LU01
10​

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

How do dying stars contribute to the formation of planets

What is the scientific name for weight?