the no. of atoms in 39.4 kg of gold
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The molar mass of gold = 196.97 g
Number of atoms = given mass / molar mass × 6.022 x 1023 atoms
⇒39.4 g /196.97 g × 6.022 x 1023 atoms = 1.2 × 1023 atoms of gold
Number of atoms = given mass / molar mass × 6.022 x 1023 atoms
⇒39.4 g /196.97 g × 6.022 x 1023 atoms = 1.2 × 1023 atoms of gold
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