Calculate the ph of this solution

Reference no: EM13702954

Problem- A solution of a weak acid, HCOOH, is made to a concentration of 0.546 mol / L. Calculate the pH of this solution.

Ka of HCOOH is 1.8 x 10-4.

I am not able to get the correct answer please help me

Reference no: EM13702954

Questions Cloud

What is the maximum hydroxide-ion concentration : Problem- What is the maximum hydroxide-ion concentration that a 0.025 M MgCl2 solution could have without causing the precipitation of Mg(OH)2? For Mg(OH)2, Ksp = 1.8 x 10-11 Please show steps

The silver-ion concentration in a saturated solution : Problem- The silver-ion concentration in a saturated solution of silver (I) oxalate is 2.2 x10-4 M. What is Ksp for silver (I) oxalate?

State whether the mechanism would be sn1 or sn2 : Problem- For each of the reactions listed below, circle the compound which will react faster, state whether the mechanism would be SN1 or SN2, and briefly explain your answer.

The last fraction should contain mostly which compound : Problem- During a distillation of c (b.p 85 degrees) and e (b.p 150degrees). The last fraction should contain mostly which compound

Calculate the ph of this solution : Problem- A solution of a weak acid, HCOOH, is made to a concentration of 0.546 mol / L. Calculate the pH of this solution.

Half-reactions occurring in the silver-zinc hearing : Problem- Given the following half-reactions occurring in the silver-zinc hearing aid battery, calculate the voltage at 25°C of this battery.

What is the empirical formula of cumene : Problem- Cumene is known to cantain only hydrogen and carbon. The burning of a sample of cumene produced .320 moles of co2 and .215 moles of water. What is the empirical formula

State what is the ph of the solution : Problem- Consider the titration of 300.0 mL of 0.556 M NH3 (Kb = 1.8 x10-5 ) with 0.500 M HNO3. After 150.0 mL of 0.500 M HNO3 has been added, what is the pH of the solution

What is the ph of the resulting solution at 25°c : Problem- If 25 mL of 0.10 M NaOH is added to 35 mL of 0.20 M HC2H3O2, what is the pH of the resulting solution at 25°C? Ka for HC2H3O2 is 1.8 x 10-5 at 25°C.

User Account

All Pages