Answer:
Explanation:
(NH4)2SO4+Pb(NO3)2...............PbSO4+2NH4NO3
Answer: FeO is called ferrous oxide while Fe2O3 is ferric oxide
Explanation:
Ferrous oxide, commonly known as iron(II) oxide contains iron that lost 2 elections in the oxidation process. So it is able to bond with other atoms that have an extra 2 electrons to share. Ferric oxide, is commonly known as iron(III) oxide
Molecular formula of ascorbic acid is 
Molar mass of ascorbic acid = 
Converting 500.0 mg of ascorbic acid to moles: We use molar mass of ascorbic acid to convert mass to moles.

Converting 500.0 mg of ascorbic acid to molecules: The conversion factor used is 1 mole = 

Answer:
Explanation:
The answer is principle of original lateral
Continuity. Hope this helps