A volume of 500.0mL of 0.120M NaOH is added to 615mL of 0.200M weak acid (Ka=6.74x10^-5). What is the pH of the resulting buffer?
HA(aq)+OH^-(aq)—> H2O(l)+A^-(aq)

The three types is stress that act on earths rocks are compression, tension, and

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw