If NaCl is produced in the equation:
FeCl3+NaOH→Fe(OH)3+NaCl was dissolved in water to make a litre of solution, the molarity would be:
1. 0.1M
2. 3M
3. 8M
4. 0.5M
5. 1.5M
To determine the molarity of NaCl in the solution, we need to first find out how many moles of NaCl are produced in the reaction.
The balanced chemical equation is:
FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl
From the equation, we can see that 1 mole of FeCl3 reacts with 3 moles of NaOH to produce 3 moles of NaCl.
So, if the reaction produced NaCl and we dissolved it in water to make a liter of solution, the molarity would be the same as the number of moles of NaCl in the solution divided by the volume of the solution in liters.
Since 1 mole of FeCl3 produces 3 moles of NaCl, and the volume of the solution is 1 liter, the molarity of NaCl would be 3 moles/L, which is 3M.
So, the correct answer is 2. 3M
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