2026, Question 6 · Short answer · 4 points · about 9 minutes
Vanadium solutions and absorbance
Use a calibration curve and particle diagrams to compare solution concentrations and reason about spectrophotometry measurements.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2026 exam. It starts on page 14 of the PDF.
Open Question 6 (PDF, page 14)
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.
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 10)
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