How Many Moles of Na₂Cr₂O₇ Contain 14 Moles of Oxygen

question 72

Multiple Choice

How many moles of Na₂Cr₂O₇ contain 14 moles of oxygen atoms?

• A)2 mol Na₂Cr₂O₇
• B)14 mol Na₂Cr₂O₇
• C)7 mol Na₂Cr₂O₇
• D)1 mol Na₂Cr₂O₇

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