Jse the periodic table to calculate the GFW (molar mass) of aluminum sulfate, Al2(S04)3 to 5 significant figures. Use the values provided here: l = 26.981 = 32.065 O = 15.999 emember that the atomic weights on the periodic are not given units. As an average, a single atom of Al has a mass of 26.981 amu. One mole of Al atoms has a nass of 26.981 g, or 26.981 g/mol. chemical formula is the ratio of moles of each element. For example, in H20 there are 2 moles of H and 1 mole of O. mol)(26.981 g/mol) = g mol)(32.065 g/mol) = g mol)(15.999 g/mol) = g. g/mol
Jse the periodic table to calculate the GFW (molar mass) of aluminum sulfate, Al2(S04)3 to 5 significant figures. Use the values provided here: l = 26.981 = 32.065 O = 15.999 emember that the atomic weights on the periodic are not given units. As an average, a single atom of Al has a mass of 26.981 amu. One mole of Al atoms has a nass of 26.981 g, or 26.981 g/mol. chemical formula is the ratio of moles of each element. For example, in H20 there are 2 moles of H and 1 mole of O. mol)(26.981 g/mol) = g mol)(32.065 g/mol) = g mol)(15.999 g/mol) = g. g/mol
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:Use the periodic table to calculate the GFW (molar mass) of aluminum sulfate, Al2(SO4)3 to 5 significant figures. Use the values provided here:
Al = 26.981
S = 32.065
O = 15.999
Remember that the atomic weights on the periodic are not given units. As an average, a single atom of Al has a mass of 26.981 amu. One mole of Al atoms has a
mass of 26.981 g, or 26.981 g/mol.
A chemical formula is the ratio of moles of each element. For example, in H20 there are 2 moles of H and 1 mole of O.
Al (
mol)(26.981 g/mol) =
S (
mol)(32.065 g/mol) =
g
(
mol)(15.999 g/mol) =
g.
g/mol
а. 1
b. 2
С. 3
d. 4
е. 5
f. 6
g. 7
h. 8.
i. 9
j. 10
k. 12
I. 75.045
m. 150.09
n. 225.135
О. 342.15
р. 26.981
q. 32.065
r. 15.999
S. 53.962
t. 96.195
u. 191.988

Transcribed Image Text:Use the data from the previous question calculate the % oxygen in Al2(SO4)3 to 5 significant figures.
These calculations are based upon mass. The % oxygen represents the mass of oxygen for every 100 g of aluminum sulfate.
go
% O =
-100 =
% охygen
g AS
а. 1
b. 2
С. 3
d. 4
e. 5
f. 6
g. 7
h. 8.
i. 9
j. 10
k. 12
I. 75.045
m. 150.09
n. 225.135
0. 342.15
р. 26.981
q. 32.065
r. 15.999
S. 53.962
t. 96.195
u. 191.988
V. 56.113
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