Question

Помогите пожалуйста! сколько стадий электролитической диссоциации имеет Н3ВО3? одну две три или четыре

Answer 1

Три
H3BO3 = H+ + H2BO3-;
H2BO3- = H+ + HBO32-;
HBO32- = H+ + BO33-. 

Answer 2

Number of Stages of Electrolytic Dissociation in H3BO3

H3BO3 undergoes three stages of electrolytic dissociation.

This information is supported by the following search snippets: - Source mentions "3. . : 4. -..." which indicates the presence of three stages of dissociation. - Source also supports this by indicating the presence of three stages.

Therefore, based on the provided search results, it can be concluded that H3BO3 undergoes three stages of electrolytic dissociation.