what mass of uranium contains the same number of atoms as 25.0 g of potassium (can you the work please)

50 pts plz what is the physical state of matter of baking soda.

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Define a is a tiny pavket of energy