Question - use the equilibrium expressions below to explain, Ask an Expert

Academics

Question - Use the equilibrium expressions below to explain why the reaction in this experiment was performed in an acidic environment.

H2A <----> HA- + H+ Ka = 5.01 x 10^-5

HA- <-----> A- + H+ Ka = 1.51 x 10^-12

Please assists me to understand How to do fix this?

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M91256384

Have any Question?Write your Review or question?

Related Questions in Chemistry

What are the benefits of measuring the absorbance at the

What are the benefits of measuring the absorbance at the maximum absorbance wavelength? If light has a wavelength of 756 nm, what is the wavelength in centimeters? What is the wavelength in inches?

Calculate the volume in milliliters of anbsp18 moll ironii

Calculate the volume in milliliters of a 1.8 mol/L iron(II) bromide solution that contains 150.g of iron(II) bromide FeBr2. Round your answer to 2 significant digits.

Calculate volume in milliliters of a 196 moll calcium

Calculate volume in milliliters of a 1.96 mol/L calcium bromide solution that contains 275. mmol of calcium bromide CaBr2. Round your answer to 3 significant digits.

Ttrate the base trimethylamine tma with 0126 m hcl ch3naq

Titrate the base trimethylamine (TMA) with 0.126 M HCl. (CH) 3 N(aq) + H 2 O(l) (CH 3 ) 3 NH+(aq) + OH-(aq) Kb = 6.45 x 10 -5 There are 0.00615 moles of TMA in 42.5 mL H 2 O before titration begins. What percent of TMA i ...

What will happen if i decide to test the solubility of

What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.

Consider the following reactiona gnbspnbspb grarrc

Consider the following reaction. A (g) + B (g) → C (g) + D (g) *In one experiment the concentration of A (g) was monitored in the presence of a large excess of B (g) ( [B] o = 0.750 M ) . Time (s) [A] (mol/L) 0.00 6.00 ...

A hydrogen atom emits a photon as its electron changes from

A hydrogen atom emits a photon as its electron changes from n = 5 to n = 2. For the H atom, E n = -2.18E-18*(1/n 2 ) J. What is the wavelength (in m) of the photon? ( ) m The number of significant digits is set to 3; t ...

How many grams of nitrogen are found in 500 grams of

How many grams of nitrogen are found in 50.0 grams of potassium nitrate?

A gas is confined to a cylinder with a moveable piston to

A gas is confined to a cylinder with a moveable piston (to allow the gas to expand or contract) under a pressure of 1 atmosphere. When the temperature of the gas is increased, 850 J of heat is added, and the gas expands, ...

How much will the temperature change when 30 g of tooth

How much will the temperature change when 3.0 g of tooth enamel (specific heat = 0.18 cal/g C) absorbs 0.80 cal of heat energy?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert