Part A What is the concentration of K+ in 0.15 M of K2S? Express your answer to one decimal place and include the appropriate units. • View Available Hint(s) НА ? Value Units Part B If CaCl2 is dissolved in water, what can be said about the concentration of the Ca2+ ion? • View Available Hint(s) O It has the same concentration as the Cl- ion. O Its concentration is half that of the Cl¯ ion. O Its concentration is twice that of the Cl- ion. O Its concentration is one-third that of the Cl ion.
Part A What is the concentration of K+ in 0.15 M of K2S? Express your answer to one decimal place and include the appropriate units. • View Available Hint(s) НА ? Value Units Part B If CaCl2 is dissolved in water, what can be said about the concentration of the Ca2+ ion? • View Available Hint(s) O It has the same concentration as the Cl- ion. O Its concentration is half that of the Cl¯ ion. O Its concentration is twice that of the Cl- ion. O Its concentration is one-third that of the Cl ion.
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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Question
Please answer question 4 Part A, B, and C
Transcribed Image Text:lon concentration refers to the molar concentration
Part A
of an ion in solution. It may be identical to, or
greater or less than, the molar concentration of the
compound containing the ion that was used to
make the solution. For soluble salts, the molarity of
a particular ion is equal to the molarity of that
compound times the subscript for that ion. For
example, 1 M of AlCl3 is 1 M in Al3+
in Cl. 1 M of (NH4)2SO4 is 2 M in NH4+ and
1 M in SO42-.
What is the concentration of K+ in 0.15 M of K2S?
Express your answer to one decimal place and include the appropriate units.
• View Available Hint(s)
and 3 M
HÁ
?
Value
Units
Part B
If CaCl, is dissolved in water, what can be said about the concentration of the Ca2+ ion?
• View Available Hint(s)
O It has the same concentration as the Cl¯ ion.
Its concentration is half that of the Cl¯ ion.
O Its concentration is twice that of the Ci¯ ion.
Its concentration is one-third that of the Cl ion.
Transcribed Image Text:Part C
A scientist wants to make a solution of tribasic sodium phosphate, Na3 PO4, for a laboratory experiment. How many
grams of Na3 PO4 will be needed to produce 400. mL of a solution that has a concentration of Nat ions of 1.10 M
?
Express your answer to three significant figures and include the appropriate units.
• View Available Hint(s)
HA
?
mass of Na3 PO4 =
Value
Units
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