How many moles are in 1.42 x 10^25
molecules of NaCl?

23.6 mol NaCl

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Stoichiometry

Step 1: Define

1.42 × 10²⁵ molecules NaCl

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

23.5802 mol NaCl ≈ 23.6 mol NaCl

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