How do I do moles? It’s confusing

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)

Which of the following units is not an official si unit? mole liter kilogram ampere

What is the molar mass of ca(cio4)2