When of lead nitrate solution is mixed with of chromic sulphate solution, moles of lead sulphate precipitate out. (Round off to Nearest Integer)

Question

When  of  lead nitrate solution is mixed with  of  chromic sulphate solution,   moles of lead sulphate precipitate out. (Round off to Nearest Integer)

Canvas Classes · Accepted Answer

Strategy:
 Identify the limiting reagent by comparing the available moles of  and  ions based on the balanced precipitation equation. The amount of  formed is determined by the limiting ion.

Step 1: Write the balanced ionic equation

Simplified:  (1:1 ratio)

Step 2: Calculate available moles of each ion
- Moles of 
- Moles of

Step 3: Identify Limiting Reagent
Since ,  is the limiting reagent.

Step 4: Calculate mass of precipitate
Moles of .

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