Chemical Reactions of Copper and Percent Yield 5. Molarity, abbreviated M, is defined as the concentration of a solution expressed as moles of solute per liter of solution. How many milliliters of 4.00 M H₂SO4 are required to react with 1.60 g of CuO according to Equation [4]?

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**Chemical Reactions of Copper and Percent Yield**

**5.** Molarity, abbreviated \( M \), is defined as the concentration of a solution expressed as moles of solute per liter of solution. How many milliliters of \( 4.00 \, M \, H_2SO_4 \) are required to react with \( 1.60 \, \text{g} \) of \( \text{CuO} \) according to Equation [4]?

**6.** If \( 2.00 \, \text{g} \) of Zn is allowed to react with \( 2.00 \, \text{g} \) of \( \text{CuSO}_4 \), according to Equation [5], how many grams of Zn will remain after the reaction is complete?
Transcribed Image Text:**Chemical Reactions of Copper and Percent Yield** **5.** Molarity, abbreviated \( M \), is defined as the concentration of a solution expressed as moles of solute per liter of solution. How many milliliters of \( 4.00 \, M \, H_2SO_4 \) are required to react with \( 1.60 \, \text{g} \) of \( \text{CuO} \) according to Equation [4]? **6.** If \( 2.00 \, \text{g} \) of Zn is allowed to react with \( 2.00 \, \text{g} \) of \( \text{CuSO}_4 \), according to Equation [5], how many grams of Zn will remain after the reaction is complete?
**Combustion of Methane Reaction**

3. Consider the combustion of methane, CH₄:

\[ \text{CH}_4(g) + 2\text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\text{H}_2\text{O}(g) \]

Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen.

(a) What is the limiting reagent?

(b) How many moles of CO₂ can be made from this reaction? How many grams of CO₂?

---

4. Suppose 8.00 g of CH₄ is allowed to burn in the presence of 16.00 g of oxygen. (See reaction in 3 above.) How much (in grams) CH₄, O₂, CO₂, and H₂O remain after the reaction is complete?
Transcribed Image Text:**Combustion of Methane Reaction** 3. Consider the combustion of methane, CH₄: \[ \text{CH}_4(g) + 2\text{O}_2(g) \rightarrow \text{CO}_2(g) + 2\text{H}_2\text{O}(g) \] Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen. (a) What is the limiting reagent? (b) How many moles of CO₂ can be made from this reaction? How many grams of CO₂? --- 4. Suppose 8.00 g of CH₄ is allowed to burn in the presence of 16.00 g of oxygen. (See reaction in 3 above.) How much (in grams) CH₄, O₂, CO₂, and H₂O remain after the reaction is complete?
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