Ch.1 - Chemical Tools: Experimentation & Measurement
Chapter 1, Problem 14
A person runs at a pace of 6.52 mi/hr. How long does it take the person to run a 15.0 km race? (1 mi = 1.61 km) (LO 1.17) (a) 85.7 min (b) 222 min (c) 50.0 min (d) 93.4 min
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Related Practice
Textbook Question
Report the reading on the buret to the correct number of significant figures. (LO 1.15)
(a) 1 mL
(b) 1.4 mL
(c) 1.40 mL
(d) 1.400 mL
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Textbook Question
A scientist uses an uncalibrated pH meter and measures the pH of a rainwater sample four times. A different pH meter was calibrated using several solutions with known pH. The true pH of the rain was found by the calibrated pH meter to be 5.12. What can be said about the level of accuracy and precision of the uncalibrated pH meter? (LO 1.14)