An aqueous solution contains 0.486 M acetic acid. How many mL of 0.235 M sodium hydroxide would have to be added to 150 mL of this solution in order to prepare a buffer with a pH of 4.630

Identify two types of chemical bonding in the source of dietary potassium

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?