The Ka for HCN is 6.2x10^-10. What mass of solid NaCN must be added to 2.0 L of a 0.25 M HCN solution to give a pH of 6.0?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

What is the measured amount of a product obtained from a chemical reaction?