A solution of acetic acid has an equilibrium pH of 2.54 (pKa = 4.75). What was the original concentration of acetic acid?

A.

0.469 molar

B.

0.467 molar

C.

0.462 molar

D.

0.571 molar

E.

0.398 molar

Que órgano del sistema digestivo almacena bilis

How is a suspension different from a colloid?

What kind of heat is it when you cook an egg in a frying pan?

Most adult amphibians can obtain oxygen through?

Which option should a person avoid doing in order to better protect the quality of watersheds? A) People should remove native plants around watersheds. B) People should use an alternative for synthetic pesticides.

What part of an atom bonds with other atoms

For the haber process, n2 + 3h2 → 2nh3, what volume of nitrogen is consumed at stp if you collect 44.8 l of ammonia in excess hydrogen (n = 14 amu, h = 1 amu) ?

Which of these substances is the least acidic? solution A, pOH = 1.5 solution B, pOH = 7.0 solution C, pOH = 13.5Which of these substances is the least acidic? solution A, pOH = 1.5 solution B, pOH = 7.0 solution C, pOH = 13.5

How many moles (precise to the nearest 0.01 mol) of nitric acid are produced from 300.00 mol of nitrogen dioxide?

Write a balanced equation for the complete combustion of pentane, c5h12. do not enter phase symbols. enter the alkane formula as c5h12.