Question

How many moles of Sn are there in a sample of Sn that contains 1.83×10²⁴ atoms?

How many Sr atoms are there in 3.21 moles of Sr?

Which sample contains the greatest number of atoms. A sample of Al that contains 1.43×10²⁴ atoms or a 3.27 mole sample of F?

Answer 1

In a mole 6.022 xrots atime present. =) in 1.83X1024 atoms of sn mols of sn - 1.83 xlo atoms 6.022x10 23 ateyms/ mol 3.04 mal sn 11. 3-21 mol so consists of x 23 3-21 mol x 6.022x 2xlo atoms 24 atoms = 1. mol u so 9 3x10 atoms of

AL at ms al » 1.43X1024 F has 3.27 mol 3-27 and x 6.022 x 23 atims = hoof 26 T. 97 1.97 xlo atoms of F humbeds F s number o. Al 4. Ans) ... "f has greatest number D 3.04 mol sn 2) 1.93x1024 atoms so ) 3.22 mol number or sample atoms F has setest