Potassium chloride dissolution and calorimetry

1 Read the question

The question is College Board's, from the 2026 exam. It starts on page 3 of the PDF.

Open Question 1 (PDF, page 3)

2 Write your answer

Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.

1. Part A
2. Part B
3. Part C
4. Part D
5. Part E
6. Part F

3 Score it

Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.

Scoring guidelines (PDF, page 2)