How many grams of HCl are present in 250 ml of a 3.25 M solution of HCl?

Answer 1

There is only one concentration each of H and OH in 250ml. But the volume has nothing to do with it.

The pH is the negative (common) logarithm of the concentration of (dissociated) hydrogen-ions (H+) in an aqueous solution.

pH = - log Conc.(H+) with Conc.(H+) in [mol/L]

Conc.(H+) = 10-pH

pOH = 14 - pH

The number of atoms and molecules can be calculated using the Avogadro constant

6,02214179(30) *1023 mol−1

now you can find out.

Answer 2

1 millimolar or 1/1000th of a mole per liter.

Answer 3

Using dimensional analysis, we find that there are 29.6 grams of HCl present in the solution.