How many gram-atoms of Oxygen are present in of potassium dichromate ()? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
How many gram-atoms of Oxygen are present in $1 \text{ mole}$ of potassium dichromate ($K_2Cr_2O_7$)?
Answer: 7
💡 Solution & Explanation
"Gram-atom" is a mole of atoms. $K_2Cr_2O_7$ has 7 oxygen atoms per formula unit, so 1 mole has 7 gram-atoms. [3, 23]
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