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View Full Version : How many molecules of H2 arre produced by the reaction of Sn with 20L HF?


hallie531
Feb 2, 2011, 07:57 PM
20L is 20 liters

Unknown008
Feb 2, 2011, 11:54 PM
1. Write the balanced equation.
2. Work out the number of moles of HF there is in 20 L of HF.
3. From this and your equation, deduce the number of moles of H2 formed.
4. Use the number of moles of H2 and the Avogadro Constant to get the number of molecules of H2.