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2. Convert 0.34 moles NaOH to grams. A) 2.04 x 1023 C) 6.8 B) 13.6 D) 0.0085 3. Convert 0.23 moles NaCI to number of formula units. A) 1.38 x 1023 C) 3.8 x 10-25 B) 13.4 D) 0.0039 4. What are the products in the reaction of Al and HCI. A) AICI, H C) AICI3, H B) AICI3, H2 D) AICI2, H2

2. Convert 0.34 moles NaOH to grams. A) 2.04 x 1023 C) 6.8 B) 13.6 D) 0.0085 3. Convert 0.23 moles NaCI to number of formula units. A) 1.38 x 1023 C) 3.8 x 10-25 B) 13.4 D) 0.0039 4. What are the products in the reaction of Al and HCI. A) AICI, H C) AICI3, H B) AICI3, H2 D) AICI2, H2

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Chemistry Practice Problems** 1. **Convert 0.34 moles NaOH to grams.** - A) \(2.04 \times 10^{23}\) - B) 13.6 - C) 6.8 - D) 0.0085 2. **Convert 0.23 moles NaCl to number of formula units.** - A) \(1.38 \times 10^{23}\) - B) 13.4 - C) \(3.8 \times 10^{-25}\) - D) 0.0039 3. **What are the products in the reaction of Al and HCl?** - A) AlCl, H - B) AlCl₃, H₂ - C) AlCl₃, H - D) AlCl₂, H₂ 4. **What are the products in the reaction of Na₂SO₄ and NH₄Cl?** - A) CO₂, H₂O - B) Na₂Cl, NH₄SO₄ - C) NaCl, (NH₄)₂SO₄ - D) NaCl, NH₄SO₄ 5. **What are the coefficients when the following reaction is balanced?** \( \text{Na}_2\text{SO}_4 + \text{KNO}_3 \rightarrow \text{K}_2\text{SO}_4 + \text{NaNO}_3 \) - A) 2,1,5,12 - B) 1,1,5,6 - C) 3,2,6,7 - D) 1,2,1,2 6. **What are the products formed when C₄H₈ is burned?** - A) C₄O₂, H₈O - B) a salt, water - C) CO₂, H₂O - D) O₂, H₂O 7. **In the following reaction, how many grams of hydrogen gas (H₂) are produced from 14 grams of CaH₂?** \( \text{CaH}_2 + 2 \text{
Transcribed Image Text:**Chemistry Practice Problems** 1. **Convert 0.34 moles NaOH to grams.** - A) \(2.04 \times 10^{23}\) - B) 13.6 - C) 6.8 - D) 0.0085 2. **Convert 0.23 moles NaCl to number of formula units.** - A) \(1.38 \times 10^{23}\) - B) 13.4 - C) \(3.8 \times 10^{-25}\) - D) 0.0039 3. **What are the products in the reaction of Al and HCl?** - A) AlCl, H - B) AlCl₃, H₂ - C) AlCl₃, H - D) AlCl₂, H₂ 4. **What are the products in the reaction of Na₂SO₄ and NH₄Cl?** - A) CO₂, H₂O - B) Na₂Cl, NH₄SO₄ - C) NaCl, (NH₄)₂SO₄ - D) NaCl, NH₄SO₄ 5. **What are the coefficients when the following reaction is balanced?** \( \text{Na}_2\text{SO}_4 + \text{KNO}_3 \rightarrow \text{K}_2\text{SO}_4 + \text{NaNO}_3 \) - A) 2,1,5,12 - B) 1,1,5,6 - C) 3,2,6,7 - D) 1,2,1,2 6. **What are the products formed when C₄H₈ is burned?** - A) C₄O₂, H₈O - B) a salt, water - C) CO₂, H₂O - D) O₂, H₂O 7. **In the following reaction, how many grams of hydrogen gas (H₂) are produced from 14 grams of CaH₂?** \( \text{CaH}_2 + 2 \text{
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