What is Ką for H3BO3(aq) = H+(aq) + H2B03 (aq)?

Answer : The expression for acid dissociation constant will be:

Explanation :

Acid dissociation constant : It is an equilibrium constant that refers to the dissociation or ionization of an acid.

It is denoted as .

The given equilibrium reaction is:

The expression for acid dissociation constant will be:

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.