Acompound is found to have an empirical formula of ch2o. if its molecular mass is 60.0 g/mol, what is its molecular formula?

ch2o
c2h4o2
c3h6o3
c4h8o4

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Hey can you me with this i really need y’all

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.