When 400 mL of 0.2 M solution is mixed with 600 mL of 0.1 M NaOH solution, the increase in temperature of the final solution is . (Round off to the nearest integer).

[Use: : ]. Specific heat of , d

Question

When 400 mL of 0.2 M  solution is mixed with 600 mL of 0.1 M NaOH solution, the increase in temperature of the final solution is  . (Round off to the nearest integer).

[Use: : ]. Specific heat of , density of . Assume no change in volume of solution on mixing.

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Strategy:
 Calculate the moles of  and  to find the limiting reagent for the neutralization reaction. Then calculate the heat released and the resulting temperature change.

Step 1: Moles of ions
- Moles .
- Moles .
Limiting .

Step 2: Heat released and Temp change
.
.
In  form: .

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