Answer:
In the presence of a base, blue litmus paper will turn red........
Answer:
well what I think is that C is the correct answer
Answer:
............................................
Physical because you can see it evaporate have a great día
Answer:
1.94
Explanation:
moles = mass/Mr so you have 3.889 moles of aluminium, but because the ratio in the equation is 2:1 you need to halve it.