Answers

  • Brainly User
2015-12-02T02:25:16+08:00
Step 1: Mass to Mole
Na (Sodium) = 22.9898 g/mol

35.8 g ÷ 22.9898 g/mol. = 1.5572 mol

Step 2:

1.5572 mol × 6.022 x 10²³ atom/mo = 9.3778 x 10²³ atoms

Answer: 9.3778 x 10²³ atoms is present in 35.8 grams of Na (Sodium)
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