235 mg of magnesium chloride is added to 125 mL of water. What is the concentration of ions in the solution? A. 0.25 mol/L B. 0.059 M C. 2.47 mol D. 1.88 mol/L E. None of the above
235 mg of magnesium chloride is added to 125 mL of water. What is the concentration of ions in the solution? A. 0.25 mol/L B. 0.059 M C. 2.47 mol D. 1.88 mol/L E. None of the above
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter16: Reaction Rates
Section: Chapter Questions
Problem 5STP
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235 mg of magnesium chloride is added to 125 mL of water. What is the concentration of ions in the solution?
A. 0.25 mol/L
B. 0.059 M
C. 2.47 mol
D. 1.88 mol/L
E. None of the above
Expert Solution
Step 1
Molarity (M): Molarity is number of moles of the solute present in the one liter of the solution.
Convert the given mass of magnesium chloride to moles.
Given: 235 mg
1mg = 0.001g, then, 235mg = 0.235 g.
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