How many grams are in 3.46 moles of Sulfur?

What is the mass of 0.46 mil of mgcl2

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false