Determine the molarity of ammonium ions in a solution that is 0.404 M NH4Cl.
Answer:____ M NH4+
NH4Cl dissociates as:
NH4Cl -> NH4+ + Cl-
So,
[NH4+] = [NH4Cl]
= 0.404 M
Answer: 0.404 M
Determine the molarity of ammonium ions in a solution that is 0.404 M NH4Cl. Answer:____ M...
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Calculate the approximate pH of an aqueous solution of ammonium chloride, NH4Cl , 0.03 M, and sodium acetate, CH3COONa, 0.12 M at 25°C. (Note: consider one decimal place for the pH answer.) pKa NH4+/NH3 = 9.24 pKa CH3COOH/CH3COO- = 4.76
A buffer solution consists of 0.00300 M ammonia (NH3) and 0.00500 M ammonium chloride (NH4Cl). What is the change in pH when 0.00100 moles of NaOH are added to one litre of the solution without any change in volume? The pKa of NH4+ is 9.24.
When a solution of ammonium chloride, NH4Cl, is added to a solution of lead (II) nitrate , Pb(NO3)2, a white precipitate, PbCl2, forms. Which of the following is the total ionic equation for this reaction? A) 2 NH4Cl(aq)+Pb(NO3)2(aq)-->PbCl2(s)+2 NH4NO3 (aq) B) 2 NH4+(aq)+2Cl-(aq)+Pb2+(aq)+2NO3-(aq)-->PbCl2(s)+2NH4+(aq)+2NO3-(aq) C) Pb2+(aq)+2Cl-(aq)-->PbCl2(s) D) Pb2+(aq)+Cl2-(aq)-->PbCl2(s)
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2. What is the pH of a 1.50 mol/L solution of ammonium chloride (NH4Cl)? Your answer
(5 pts) At 20°C, a 0.376 M aqueous solution of ammonium chloride has a density of 1.0045 g/mL. What is the mass % of ammonium chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol. 5) (5 pts) At 20°C, an aqueous solution that is 24.0% by mass in ammonium chloride has a density of 1.0674 g/mL. What is the molarity of ammonium chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol. i got 3.82...
Your supervisor asks you to prepare 474.00 mL of ammonium buffer solution 0.1 M with pH= 9.00, from a concentrated ammonia solution (16%w/w, d=0.98g/mL) and solid ammonium chloride (97% w/w). (MW of NH3 = 17.031 g/mol and FW of NH4Cl = 53.491 g/mol and pKa NH4+/NH3 =9.24). How many grams of the solid ammonium chloride do you need? Consider two decimal places for the answer.