There are four main methods of making salts: Acid + Metal, Acid + insoluble base, Acid + alkali and solution of salt A + solution of salt B.
a. a student wanted to make some sodium sulfate.
i. which method would be best to use?
ii. why?
iii. which reactants would you use?
iv. write a word equation for the reaction.
b. Another student wanted to make some magnesium carbonate.
i. which method would you use?
ii. why?
iii. name the reactants you would use.
iv. write a word equation for the reaction.
Please help!!!!
These are two LOOOONg problems.
I would use NaOH and H2SO4 to make Na2SO4.
I would use Mg(OH)2 + CO2 to make MgCO3 (which isn't one of the listed ways to make it).
I will leave the sub-parts ii,iii,iv to you.
Thank you for your help! :D
a.
i. The method that would be best to use for making sodium sulfate is the Acid + Insoluble base method.
ii. This method is suitable because sodium sulfate is an ionic compound and can be formed by combining an acid with an insoluble base to produce a salt. In this case, we can use sulfuric acid (H2SO4) as the acid and sodium hydroxide (NaOH) as the insoluble base.
iii. The reactants you would use are sulfuric acid (H2SO4) and sodium hydroxide (NaOH).
iv. The word equation for the reaction would be:
Sulfuric acid + Sodium hydroxide → Sodium sulfate + Water
H2SO4 + 2NaOH → Na2SO4 + 2H2O
b.
i. The method that would be best to use for making magnesium carbonate is the Acid + Insoluble base method as well.
ii. This method is suitable because magnesium carbonate is an ionic compound and can be formed by combining an acid with an insoluble base to produce a salt. In this case, we can use hydrochloric acid (HCl) as the acid and magnesium oxide (MgO) as the insoluble base.
iii. The reactants you would use are hydrochloric acid (HCl) and magnesium oxide (MgO).
iv. The word equation for the reaction would be:
Hydrochloric acid + Magnesium oxide → Magnesium carbonate + Water
2HCl + MgO → MgCO3 + H2O