State how many grams of dry nh4cl need to be added

Assignment Help Chemistry

Reference no: EM13277291

How many grams of dry NH4Cl need to be added to 2.30L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.83? Kb for ammonia is 1.8 * times 10^-5

Reference no: EM13277291

Questions Cloud

Suppose the number density of galaxies in the universe : Suppose the number density of galaxies in the universe is, on average, 3 x 10^-68 galaxies per cubic meter. If astronomers could observe all galaxies out to a distance of 10^10 light years, how many galaxies would they find?

Explain oxalic acid and naoh react according to the equation : If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point, what is the weight percent of oxalic acid in the mixture. Oxalic acid and NaOH react according to the equation H2C2O4 (aq) + 2 NaOH(a..

Determine secondary voltage and the secondary current : An autotransformer with a total of 600 turns has its secondary winding embracing 200 turns. The 600 turns are connectred to a 60Hz, 2400V driving voltage. A load connected to the secondary draws 4.8kVA at 0.6 power factor lagging.

Determine the key legal and ethical issues : Determine whether or not existing "fair use" exceptions strike an appropriate balance between creators and users of the material. Provide two (2) specific examples to support your response.

State how many grams of dry nh4cl need to be added : How many grams of dry NH4Cl need to be added to 2.30L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.83? Kb for ammonia is 1.8 * times 10^-5

How much energy is released as the capacitor discharges : Electric vehicle supercapacitor. a. A 3000 F capacitor has initial voltage 200 V. If the capacitor is discharged at a constant 60 A, what is the voltage across the capacitor during discharge. b. How long will it take the capacitor to discharge to 5..

Callers during tax season-callers during tax season : The IRS claims that the mean wait time for callers during tax season was 7min. A random sample of 11 callers has a mean wait time of 8.7min and a standard deviation of 2.7min. Test the claim at the 10% significance. Use rejection regions.

Explain the acidic anion reacts with strong bases : The acidic anion reacts with strong bases according to the following net ionic equation HC8H4O4-(aq) + OH- (aq)--->C8H4O4-2(aq) + H2O(l) If a 0.902g sample of KHC8H4O4 is dissolved n water and titrated to the equivalence point, with 26.45 mL of Na..

Is internal or external communication formal or informal : Is this internal or external communication? Formal or informal? Why?

User Account

All Pages