U.S. GRADE & SUBJECT QUESTION BANKS
Grade 11 science.
2 skills. Questions, hints and worked examples.
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Worked example
A reaction forms 24 mL of gas in 6 s. What is its average gas-production rate over that interval?
Answer & why
Answer: 4 mL/s
24 mL ÷ 6 s = 4 mL/s.