6. Zn is 65.4g /mol, what is number of atoms for 0.2g of Zn using the Avogadro's number. 7. Consider the combustion reaction of methane, CH4 . If 2.1 mol of methane is allowed to react with 4.0 mol of oxygen, which is the limiting reagent ? 8. Ethane, C₂H, react with O₂ to give CO₂ and H₂O. If 5 mols of Ethane is placed with 16 mols of O2, how many mols of CO₂ will be produced.

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Chapter1: Chemical Foundations
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**Chemistry Problems**

6. Zinc (Zn) has a molar mass of 65.4 g/mol. Calculate the number of atoms in 0.2 g of Zn using Avogadro’s number.

7. Consider the combustion reaction of methane, CH₄. If 2.1 moles of methane are allowed to react with 4.0 moles of oxygen, identify the limiting reagent.

8. Ethane (C₂H₆) reacts with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O). If 5 moles of ethane are reacted with 16 moles of oxygen, determine the number of moles of CO₂ produced.
Transcribed Image Text:**Chemistry Problems** 6. Zinc (Zn) has a molar mass of 65.4 g/mol. Calculate the number of atoms in 0.2 g of Zn using Avogadro’s number. 7. Consider the combustion reaction of methane, CH₄. If 2.1 moles of methane are allowed to react with 4.0 moles of oxygen, identify the limiting reagent. 8. Ethane (C₂H₆) reacts with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O). If 5 moles of ethane are reacted with 16 moles of oxygen, determine the number of moles of CO₂ produced.
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