Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section17.2: Controlling Ph: Buffer Solutions
Problem 3RC
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Expert Solution
Step 1
The concentration or Molarity of salt is calculated by -
M = w×1000/m×V
Here,
M = Molarity of Salt, (CH3)2NHI = ?
w = mass of solute = 52.3 g
m = molar of (CH3)2NHI = 12×2+1×6+14+1+127= 24+6+14+1+127 = 172 g/mol
V = volume = 250 mL
Then,
M = 52.3×1000/172×250
M = 1.2163 M (CH3)2NHI
Or
M = 1.22 M
Thus , concentration of dimethyl Ammonium iodide is 1.22 M.
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