11/10/19: stoichiometry test 1 Flashcards
1
Q
write a balanced chemical equation between nitric acid and magnesium
A
acid + metal → salt + hydrogen
Mg + 2 HNO3 → Mg(NO3)2 + H2
2
Q
write a balanced chemical equation between sulphuric acid and sodium carbonate
A
When an acid reacts with a metal carbonate a salt, carbon dioxide and water are formed
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O