Berocca is a kind of drinking the form of tablets that when submerged in water produces effervescence. It contains vitamins B and C.
`C_6H_8O_6 ` contained in Berocca is vitamin C or ascorbic acid. It is a weak acid with a pKa value of 4.10. The reaction for the dissolution of `C_6H_8O_6 ` in water can be written as:
`C_6H_8O_6 + H_2O <=>C_6H_8O_6 H_3O^+`