cs

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

Questions

The following questions were asked by visitors named cs.

What is the pH of a solution of vinegar, which is 5.00% (w/v) acetic acid (CH3COOH, Ka = 1.8 e-5).what is the % dissociation?

For the weak acid HX, what is the pH of a 0.10 M solution if the acid is 4.0% ionized?

Calculate the H+ concentration (M) of a 0.010 M solution of NH4Cl. Note that the Kb for NH3 is 1.8 e-5.

Which of the following is a conjugate acid-base pair? A. H2SO4, H2SO3 B. NH3, NO2 C. CH3OH, CH3COOH D. HF, H2F E. NH3, NH4+

A rectangular lot is bordered on one side by a stream and on the other three sides by 360m of fencing. Find the dimensions of the lot in order to maximize area. (Also, does it make sense if the answer I got is 180m width, 90m length?)

3.2b-9<1.4+0.6b

Answers

The following answers were posted by visitors named cs.