Calculate the molar for the following compound. You must show your work to get full credit. Ni(SO4)2

Idon’t know how to solve this question

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

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?