2.While there were no calculations requimbarconversions using dimensional analysis andstill need to know how to do unitthe proper number of significant figures.With that in mind, answer the questions below1. How many significant figures are in each of the following quantities?a. 0.008 750 L 4b. 3.40 x 10 m 2c. 5 630 g 3 SiConvert 0.000 065 80 to scientific notation (without rounding).If a 6.00% (w/v) citric acid solution contains 6.00 grams of citric acid in every 100.0 mL of thesolution, how many grams of citric acid are present in 385 mL of the 5.00% (w/v) solution? Showyour work using dimensional analysis and report your answer with the correct number of significantfigures.3.100AL%3Dlo0gWhat volume of the 6.00% (w/v) citric acid solution described above would be needed to provide425 mg of citric acid for a reaction? For full credit, show your work using a single dimensionalanalysis grid (or one chain of conversion factors) and report your answer with the correct number ofsignificant figures. (You should know the relationship between grams and milligrams.)4.Convert 95.0 ft/s to km/h using dimensional analysis. For full credit, use one long chain ofconversion factors using the given relationships below plus relationships between meters andcentimeters and between meters and kilometers (relationships you should know). Report youranswer with the correct number of significant figures.Given: 1 ft 12 in, 1 in 2.54 cm, 60 min = 1 h, 60 s 1 min

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How many significant figures are in each of the following quantities? a. 0.008 750 L 45. b. 3.40 x 10 m 2 sig. fa 1. fice c. 5 630 g 3 sig. Ao

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

Question

2.
While there were no calculations requi
mbar
conversions using dimensional analysis and
still need to know how to do unit
the proper number of significant figures.
With that in mind, answer the questions below
1. How many significant figures are in each of the fol
lowing quantities?
a. 0.008 750 L 4
b. 3.40 x 10 m 2
c. 5 630 g 3 Si
Convert 0.000 065 80 to scientific notation (without rounding).
If a 6.00% (w/v) citric acid solution contains 6.00 grams of citric acid in every 100.0 mL of the
solution, how many grams of citric acid are present in 385 mL of the 5.00% (w/v) solution? Show
your work using dimensional analysis and report your answer with the correct number of significant
figures.
3.
100AL
%3D
lo0g
What volume of the 6.00% (w/v) citric acid solution described above would be needed to provide
425 mg of citric acid for a reaction? For full credit, show your work using a single dimensional
analysis grid (or one chain of conversion factors) and report your answer with the correct number of
significant figures. (You should know the relationship between grams and milligrams.)
4.
Convert 95.0 ft/s to km/h using dimensional analysis. For full credit, use one long chain of
conversion factors using the given relationships below plus relationships between meters and
centimeters and between meters and kilometers (relationships you should know). Report your
answer with the correct number of significant figures.
Given: 1 ft 12 in, 1 in 2.54 cm, 60 min = 1 h, 60 s 1 min

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