1. Intro to General Chemistry
Significant Figures
1. Intro to General Chemistry
Significant Figures
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Practice this topic
- Open Question
How many sig figs does each number contain?
a) 100. min
b) 17.3 x 103 mL
c) 10 apples
3304views53rank4comments - Multiple Choice
Indicate the number of significant figures in the following:
A liter is equivalent to 1.059 qt.
4581views42rank - Multiple Choice
How many significant figures are contained in the following measurement?
3,482,005 mg
2114views32rank1comments - Multiple ChoiceWhich of the following has the largest number of significant figures?1168views
- Multiple ChoiceHow many significant figures should be reported for the following calculation:
5.2110 × 12.20 ÷ (11.44 − 2.113)1170views - Textbook Question
The three targets from a rifle range shown below were produced by: (A) the instructor firing a newly acquired target rifle; (B) the instructor firing his personal target rifle; and (C) a student who has fired his target rifle only a few times. (b) For the A and C results in the future to look like those in B, what needs to happen?
814views1rank - Textbook QuestionA 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)
(a) The uncalibrated pH meter is accurate and precise. (b) The uncalibrated pH meter is neither accurate nor precise. (c) The uncalibrated pH meter is accurate but not precise. (d) The uncalibrated pH meter is precise but not accurate.
375viewsTextbook QuestionAssume that you have two graduated cylinders, one with a capacity of 5 mL (a) and the other with a capacity of 50 mL (b). Draw a line in each, showing how much liquid you would add if you needed to measure 2.64 mL of water. Which cylinder will give the more accurate measurement? Explain.636views