All Questions
3
questions
0
votes
1
answer
23k
views
Calculate the pH of Na2CO3
Given information:
$K_\mathrm{a}(\ce{H2CO3}) = 4.3 \times 10^{-7}$,
$K_\mathrm{a}(\ce{HCO3-}) = 4.8 \times 10^{-11}$,
${{\ce{[Na2CO3]}=0.20\ \mathrm{M}}}$
This was a question in an exam and I'm ...
- 3
1
vote
1
answer
52k
views
What is the effect of adding HCl on a certain solution at equilibrium?
If we have
$$\ce{CH3COOH + H2O <=> CH3COO- + H+}$$
what is the effect on acetate ions when adding each HCl and NaOH to the solution? (State why according to Le Chatelier's principle)
Le ...
- 11
0
votes
1
answer
3k
views
How to estimate pH?
How you you calculate/estimate the pH of a solution with 3 components all of different pHs?
Is there a paper describing this?
For example:
0.1M Buffer PCTP at pH 9.5
1.6M Sodium Dihydrogen Phosphate ...
- 395