Answer:
B) is any species that donates a proton.
0.15 l of 4.0 m stock KCl solution should betaken
Explanation:
N1V1=N2V2
6*0.1=V2*4
V2=0.15L
iron (III) oxide is a gas
I think its the last one
its supposed to be H 2 O 2.
