Me. i am a little stuck on what to do. it's been a few months since i have balanced equations, and i know that is one of the steps. i'm very confused on what to do, will someone me?

in the following balanced neutralization reaction equation, how many moles of ca(oh)2 are required to completely neutralize 1.2 moles of hi? 2hi + ca(oh)2 → cai2 + 2h2o a) 1.2 moles b) 0.6 moles c) 2.4 moles d) 1.0 mol

warning: plato student

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?