One mole of (NH₄)₂Cr₂O₇ contains:four moles of hydrogenone mole of oxygenone mole of nitrogen.two moles of chromiumI DON'T KNOWSUBMIT ANSWER
Question
One mole of (NH₄)₂Cr₂O₇ contains:
- four moles of hydrogen
- one mole of oxygen
- one mole of nitrogen
- two moles of chromium
- I DON'T KNOW
- SUBMIT ANSWER
Solution
The compound (NH₄)₂Cr₂O₇ contains:
- 8 moles of Hydrogen: This is because there are 2 moles of NH₄ and each NH₄ has 4 Hydrogen atoms.
- 7 moles of Oxygen: This is indicated by the subscript 7 after O in the formula.
- 2 moles of Nitrogen: This is because there are 2 moles of NH₄ and each NH₄ has 1 Nitrogen atom.
- 2 moles of Chromium: This is indicated by the subscript 2 after Cr in the formula.
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