A student wishes to prepare 125-mL of a 0.172 M nickel(II) sulfate solution using solid nickel(II) sulfate, a 125-mL volumetric flask, and deionized water. (a) How many grams of nickel(II) sulfate must the student weigh out? g (b) Which of the following would NOT be an expected step in the procedure used by the student? O Add a small amount of water to the volumetric flask and swirl until the salt sample has dissolved. O Stopper the flask and invert it to mix the contents. O Carefully weigh the flask.
A student wishes to prepare 125-mL of a 0.172 M nickel(II) sulfate solution using solid nickel(II) sulfate, a 125-mL volumetric flask, and deionized water. (a) How many grams of nickel(II) sulfate must the student weigh out? g (b) Which of the following would NOT be an expected step in the procedure used by the student? O Add a small amount of water to the volumetric flask and swirl until the salt sample has dissolved. O Stopper the flask and invert it to mix the contents. O Carefully weigh the flask.
Chemistry
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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
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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 direct addition method.
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A student wishes to prepare 125-mL of a 0.172 M nickel(II) sulfate solution using solid nickel(II) sulfate, a 125-mL volumetric flask,
and deionized water.
(a) How many grams of nickel(II) sulfate must the student weigh out?
g
(b) Which of the following would NOT be an expected step in the procedure used by the student?
O Add a small amount of water to the volumetric flask and swirl until the salt sample has dissolved.
O Stopper the flask and invert it to mix the contents.
O Carefully weigh the flask.
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Step 1
Given information,
Volume of solution = 125 mL
Concentration of the solution = 0.172 M
Molarity of a solution is given by,
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