at endpoint methyl orange turns pink when hydrochloric acid is titrated against sodium hydroxide, why does this happen​

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

What is the molar mass of potassium nitrate, kno3

I’m an electrically neutral atomic any element, there are equal numbers of