Zekariyas

This page lists questions and answers that were posted by visitors named Zekariyas.

Questions

The following questions were asked by visitors named Zekariyas.

How many moles of NH4Cl must be added to 1.5L of 0.2 M solution of NH3 to form a buffer whose PH is 9.(Kb=1.8x10^-5)

Calculate the ratio of the concentration of CO3-2 & HCO3- ions needed to achieve buffering at pH= 9.50. The PkA2 of H2CO3 is 10.25.

The Ka of HClO is 3.0x 10^-8 at 25°c. What is the percent ionization of HClO in a 0.015M aqueous solution of HCLO at 25°c?

What is the ionization constant for a weak acid HA that is 1.60% ionized in 0.095M solution?

Answers

The following answers were posted by visitors named Zekariyas.