EBK CHEMISTRY
12th Edition
ISBN: 8220102797857
Author: Chang
Publisher: YUZU
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Chapter 5, Problem 5.47QP
A 2.10-L vessel contains 4.65 g of a gas at 1.00 atm and 27.0°C. (a) Calculate the density of the gas in grams per liter. (b) What is the molar mass of the gas?
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Identifying the major species in weak acid or weak base equilibria
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0.3M in both HCN and
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other:
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Identifying the major species in weak acid or weak base equilibria
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at
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Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the
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acids:
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1.0 L of a 0.5 M HF
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bases:
Х
other: ☐
acids:
0.10 mol of HI is added to
1.0 L of a solution that is
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Identifying the major species in weak acid or weak base equilibria
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at
equilibrium. You can leave out water itself.
Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the
formulas of the species that will act as neither acids nor bases in the 'other' row.
You will find it useful to keep in mind that NH3 is a weak base.
acids: ☐
1.8 mol of HCl is added to
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bases: ☐
solution.
other: ☐
0.18 mol of HNO3 is added
to 1.0 L of a solution that is
1.4M in both NH3 and
NH₁Br.
acids:
bases: ☐
other: ☐
0,0,...
?
000
18
Ar
B
1
Chapter 5 Solutions
EBK CHEMISTRY
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