Explain how many grams of ammonium chloride

Assignment Help Chemistry
Reference no: EM13654412

How many grams of ammonium chloride (pKa=9.24, 58.491 g/mol) should be added to 500 mL of 0.1060 M ammonia to make a buffer with pH=8.5 (to three s.f.)?

Reference no: EM13654412

Questions Cloud

What is the total kinettic energy of the two-mass system : A 6kg object moving 2m/s in the positive x direction has a one-dimensional elastic collision with a 4kg object moving 3m/s in the opposite direction
Supported entirely by square steel columns : A tunnel of lenght L=150 m, height H=7.2 m, and width W=5.8 m (with a flat roof ) . With a distance D= 60 m beneath the ground. The roof of the tunnel is to be supported entirely by square steel columns, each with a cross-sectional area of 960 cm2..
How to compute the heat lost or gained by the system : A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. The temperature of the surroundings is lowered by 100 K. Calculate the heat lost or gained by the system in response to this change in the external temperatu..
Calculate the magnitude of the current density : A potential difference of 1.00 V willbe applied to a 40.0 m length of18-gauge copper wire (diameter = 0.0400 in.). calculate the magnitude of the current density
Explain how many grams of ammonium chloride : How many grams of ammonium chloride (pKa=9.24, 58.491 g/mol) should be added to 500 mL of 0.1060 M ammonia to make a buffer with pH=8.5 (to three s.f.)
Literature review - cds contracting and pricing : LITERATURE REVIEW - CDS Contracting and Pricing When the CDS market is compared with the stock and bond markets together, the CDS market is found to be significantly more sensitive to the stock market than the bond market
What was the initial speed of the given object : A 3kg object moving in the positive x direction has a one-dimensional elastic collision with a 5kg object initially at rest. What was the initial speed of the 3kg object
Explain what fraction of the product would be lost : MgNH4PO4 *6H2O has a solubility of 0.023 g/100mL in water. Suppose a 5.02 g sample were washed with 20mL of water. What fraction of the product would be lost.
Obtain what is its moment of inertia about the rotation axis : A flywheel 0.800 m in diameter pivots on ahorizontal axis. A rope is wrapped around the outside of theflywheel, What is its moment of inertia about the rotation axis

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what temperature in degrees celsius

At 21, the rate constant is0.0110 s^-1 . At what temperature in degrees Celsius would this reaction go twice as fast?

  Determine numerical value of the kc equilibrium constant

Concentration of H 2 is  observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?

  Explain the athode and cu in the cu+2 containing solution

To determine the concentration of Cu+2 in a large sample of water an electrochemical was constructed usingAg+1 (1.0 M) and Ag as the athode and Cu in the CU+2 containing solution as the anode. the cell potental was measure to be .62volts. what is t..

  State what percentage faster will a reaction go

What percentage faster will a reaction go if a catalyst lowers its activation energy from 50 kJ mol^- to 25 kJ mol^-.

  State why is graphical method a better way of determining ka

You could determine Ka for benzoic acid by measuring the pH of a 0.010 M solution of benzoic acid. Why is graphical method (pH vs volume of NaOH added) a better way of determining Ka

  A 100 l flask containing 148 g nahco3 is evacuated and

at 125degc kp 0.25 for the following reaction.2 nahco3s na2co3s co2g h2oga 1.00 l flask containing 14.8 g nahco3 is

  What is the equilibrium concentration of calcium ion

A solution is prepared by adding some solid CaF2 to water and allowing the solid to come to equilibrium with the solution. The equilibrium constant for the reaction below is Kc = 3.9x10-11.

  Explain the ratios most to least that these products

The chlorination of pentane gives you a mixture of 1-chloropentane, 2-chloropentane, and 3-chloropentane. What are the ratios most to least that these products will be formed

  What was the initial pressure

A 250-L tank is evacuated and connected to a 50.0-L bulb filled with compressed argon. After they are joined, the pressure in the bulb falls to 2.20 atm.

  Explain gas occupy at the same temperature and pressure

A 0.625 mole sample of N2 gas at 1.50 atm and 45C occupies a volume of 10.9L. What volume in liters would each of the following molar sized samples of gas occupy at the same temperature and pressure. a) 2.00 moles CO2

  Multiple choice questions in radioactive decay1an alpha

multiple choice questions in radioactive decay.1.an alpha alpha particle is essentially a

  Explain the conversion of the fatty acid linoleic acid

Write the equation for the conversion of the fatty acid linoleic acid [CH3-(CH2)4-CH=CH-CH2-CH=CH(CH2)7-COOH] into its methyl ester.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd