Acids, bases and salts Flashcards
1
Q
Calculate the percentage by mass of nitrogen in ammonia (NH₃). [3]
A
82 (%)
2
Q
Name the salt produced when ammonia reacts with hydrochloric acid. [1]
A
ammonium chloride
3
Q
A student concluded that potassium would not be a suitable metal to react with sulfuric acid.
Explain why. [2]
A
- (potassium is) too reactive…
- …therefore it’s dangerous / a violent reaction
4
Q
Which ions causes the pH to be 2.9? [1]
A
hydrogen (ion)
