The weight of AgCl precipitated when a solution containing 5.85 g of N...
AgNO3 + NaCl → AgCl + NaNO3
No. of moles of AgNO3 = 3.4/170 = 0.02
No, of moles of NaCl = 5.85/58.5 = 0.1
Limiting reagent = AgNO3
1 mole of AgNO3 produces 1 mole of AgCl
0.02 mole of AgNO3 will produce 0.02 mole of AgCl
Weight of AgCl produced = 0.02 x 143.5 = 2.870 g.
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The weight of AgCl precipitated when a solution containing 5.85 g of N...
To find the weight of AgCl precipitated, we need to use the concept of stoichiometry and balanced chemical equations. The balanced chemical equation for the reaction between NaCl and AgNO3 is:
NaCl + AgNO3 → AgCl + NaNO3
From the equation, we can see that 1 mole of NaCl reacts with 1 mole of AgNO3 to produce 1 mole of AgCl.
1. Convert the given mass of NaCl to moles:
We know the molar mass of NaCl is 58.5 g/mol (sodium: 23 g/mol + chlorine: 35.5 g/mol).
Using the formula:
moles = mass / molar mass,
moles of NaCl = 5.85 g / 58.5 g/mol = 0.1 mol
2. Use the mole ratio from the balanced equation:
From the balanced equation, we know that 1 mole of NaCl reacts with 1 mole of AgCl. Therefore, the moles of AgCl formed will be the same as the moles of NaCl used.
3. Convert moles of AgCl to grams:
We know the molar mass of AgCl is 143.5 g/mol (silver: 107.9 g/mol + chlorine: 35.5 g/mol).
Using the formula:
mass = moles x molar mass,
mass of AgCl = 0.1 mol x 143.5 g/mol = 14.35 g
Therefore, the weight of AgCl precipitated when a solution containing 5.85 g of NaCl is added to a solution containing 3.4 g of AgNO3 is 14.35 g.
So, the correct answer is option (d) 2.870 g.