What is the concentration of acetic acid?

Acetic acid is a weak monoprotic acid.

In aqueous solution it has a pKa value of 4.76.

It conjugate base is acetate (CH3COO-) A 1.0m

solution ( about the concentration of domestic vinegar) has pH of 2.4, *indicating that merely

0.4% of the acetic acid molecules are dissociated.

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the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )