The number of moles of atoms in each of the following is :
1) 0.5 mol
2) 2.9 mol
3) 1.49 mol
4) 1.9 mol
1) 3.01 × 10²³ atoms of zinc
3.01 × 10²³ atoms of zinc = (3.01 × 10²³) / (6.022 × 10²³) moles
= 0.5 mol
2) 1.806 × 10²⁴ atoms of Ba
1.806 × 10²⁴ atoms of Ba = (1.806 × 10²⁴ ) / (6.022 × 10²³) moles
= 2.9 mol
3) 9.03 × 10²³ atoms of S
9.03 × 10²³ atoms of S = 9.03 × 10²³ / (6.022 × 10²³) moles
= 1.49 mol
4) 1.204 × 10²⁴ atoms of Na
1.204 × 10²⁴ atoms of Na = 1.204 × 10²⁴ / (6.022 × 10²³) moles
= 1.9 mol
Thus, The number of moles of atoms in each of the following is :
1) 0.5 mol
2) 2.9 mol
3) 1.49 mol
4) 1.9 mol
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