Fluorine is diatomic element. What is the number of molecules in 10 moles
of fluorine gas?

6 × 10²⁴ molecules F₂

Atomic Structure

Pre-Algebra

Order of Operations: BPEMDAS

Step 1: Define

10 mol F₂

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

= 6.022 × 10²⁴ molecules F₂

Step 4: Check

We are given 1 sig fig. Follow sig fig rules and round.

6.022 × 10²⁴ molecules F₂ ≈ 6 × 10²⁴ molecules F₂

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products