Question

How many grams of silver chloride can be produced if you start with 4.62 grams of barium chloride ?

2AgNO3 + BaCl2 —> 2AgCl + Ba(NO3)
Please show work.

Answer 1

First, we need to get the moles of BaCl2:

When we have the mass of barium chloride = 4.62 g

and the molar mass of BaCl2 = 208.23 g /mol

so by using this values, we can get the moles of BaCl2:

moles of BaCl2 = mass / molar mass

= 4.62 g / 208.23 g/mol
= 0.022 mol

according to the balanced equation of the reaction:

2AgNO3 + BaCl2 → 2 AgCl + Ba(NO3)2

so you can see from this equation that the molar ratio between

BaCl2 & AgCl = 1 : 2

∴ moles AgCl = moles BaCl2 * 2

= 0.022 * 2 = 0.044 moles

now, we have the no.of moles of AgCl so by using the molar mass of AgCl we can get the mass of AgCl:

Mass AgCl = moles AgCl * molar mass

= 0.044g * 143.3cg/mol

= 6.3 g