Question

2.7g of Ag2Co3 on being heated strongly yields a residue weighing.......

Answer 1

Ag2CO3 ==> Ag2O + CO2
Convert 2.7 g Ag2CO3 to mols. moles = grams/molar mass.

Using the coefficient in the balanced equation, convert moles Ag2CO3 to moles Ag2O.

Now convert moles Ag2O to grams. g = moles x molar mass.

Answer 2

2.27

Answer 3

2.32 g

Answer 4

2.11 g