5. Convert 68.0 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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5.
2.
4.
1.
3.
a. 0.008 651 g
2005.040 x 10-4 m
c. 740 000 L
ял
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 495 mL of the 6.00% (w/v) solution? Show
your work using dimensional analysis and report your answer with the correct number of significant
figures.
495
x
6.00g citric acid.
100ml sol
29.7
citric acico
g
What volume of the 6.00% (w/v) citric acid solution described above would be needed to provide
565 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.)
565
100
6.009
X.
Convert 0.000 083 20 to scientific notation (without rounding).
8.32 х 10-5
6.06
100
LIMA
1000
ww
Hg
-0.0941g citric acid
7.08mL
Convert 68.0 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
34
10 10103
Transcribed Image Text:5. 2. 4. 1. 3. a. 0.008 651 g 2005.040 x 10-4 m c. 740 000 L ял 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 495 mL of the 6.00% (w/v) solution? Show your work using dimensional analysis and report your answer with the correct number of significant figures. 495 x 6.00g citric acid. 100ml sol 29.7 citric acico g What volume of the 6.00% (w/v) citric acid solution described above would be needed to provide 565 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.) 565 100 6.009 X. Convert 0.000 083 20 to scientific notation (without rounding). 8.32 х 10-5 6.06 100 LIMA 1000 ww Hg -0.0941g citric acid 7.08mL Convert 68.0 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 34 10 10103
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