MCQOPTIONS
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| 1. |
What is the final enthalpy of the solution made by mixing 100 grams of 10% NaOH having enthalpy 40 J with 300 grams of 90% NaOH having enthalpy 20 J? |
| A. | t10 J |
| B. | t15 J |
| C. | t25 J |
| D. | t40 J |
| Answer» D. t40 J | |