What Mass Of CH4 formed When 8.3 moles Of CO React With Hydrogen according to this equation 2CO react with 2H2 give As CH4 react With CO2

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

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