UNIT 2 — MILESTONE 2: Chemical Reactions and Energy Milestone

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What is the total number of atoms contained in
2 moles of iron?
●

● 2
# 1.204 x 10²⁴
UNIT 2 — MILESTONE 2: Chemical
Reactions and Energy Milestone
11/15
https://app.sophia.org/spcc/introduction-to-chemistry/milestone_take_feedbacks/33398697 6/7/24, 8:09 AM
Page 1 of 19
CONCEPT
→ Quantities in Chemical Reactions
2
RATIONALE
Every mole of Fe contains 6.022 x 10²³ atoms,
so 2 moles of Fe = 2 x 6.022 x 10²³ = 1.204 x
10²⁴
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