Question: What temperature results when sufficient NaOH(s) at 68(F) is dissolved adiabatically in a 10-wt-% aqueous NaOH solution, originally at 80(F), to bring the concentration up

What temperature results when sufficient NaOH(s) at 68(°F) is dissolved adiabatically in a 10-wt-% aqueous NaOH solution, originally at 80(°F), to bring the concentration up to 35%?

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