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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Transcribed Image Text:Question 23 of 44
How many moles of hydrogen are in 3.06 x 10-g of glycine , C2H;NO2?
3.06 x 10-3
gH
3.06 x 10 3
metH
STARTING AMOUNT
75.08
mett
3.06 x 103 mol H x
x 3.06 x 103gH
75.08 mol H
ADD FACTOR
DELETE
ANSWER
RESET
29.07
2.04 x 10 4
6.022 x 1023
2
1
3.06 x 103
4.08 x 10-5
1.01
75.08
8.15 x 10-5
gH
mol H
g C2H5NO2
mol C2H5NO2
g C2H5NO2/mol
molecules C2H;NO2
8
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Question 22 of 44
Submit
Aluminium has a density of 2.70 g/cm. How many moles of aluminum are in a
13.2 cm block of the metal substance?
JAT
13.2
CAT
1.32
mol Al
2.70
26.98
JAT
CAT
2.70 g AI
x 13.2 cm3 = 1.32 mol Al
cm3
26.98 g Al
DELETE
ANSWER
RESET
ADD FACTOR
*( )
げ
0.489
13.2
2.70
1
1.32
26.98
962
6.022 x 102
35.6
0.100
g/cm
g Al
g Al/mol
molecules Al
cm3
mol Al
étv
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