Please Help #31 29. A 275 mL sample of gas is kept at 25°C. What volume will the gas occupy at 100.°C?30. A 575 mL sample of gas at STP is squeezed to a volume of 255 mL. What will be thepressure of this gas at 273 K?31. What volume of H2 would be produced from the reaction of 225 grams of Zinc underconditions of 0.987 atm and 296 K? Given: Zn (s) + 2 HCI (aq) → H₂(g) + ZnCl₂ (aq)32. What volume of H₂ would be produced from the reaction of 225 grams of Zinc reactingwith 1.00 L of 2.20 M HCl, given the same temperature and pressure as #31?33. Determine the molarity of a solution made by dissolving 52.1 grams of NaOH into 575mL of solution.34. What volume of 0.782 M HCl is needed to neutralize 29.1 grams of Al(OH)3?3 HCI (aq) + Al(OH)3 (s)3 H₂O (1) + AICI3 (aq)35. What volume of 12 M HCI is needed to make 1.00 L of a 2.00 M HCI solution?Answers:1. 3.1 g/mL2. 0.12 kg3. 302 K4. Physical5. Chemical6. Homogeneous7. Heterogeneous8 47p+ 61n, 47e-

Zinc metal reacts with hydrochloric acid to form zinc chloride and hydrogen gas. The equation for…

Answered: 31. What volume of H2 would be produced…

31. What volume of H2 would be produced from the reaction of 225 grams of Zinc under conditions of 0.987 atm and 296 K? Given: Zn (s) + 2 HCI (aq) → H₂ (g) + ZnCl₂ (aq)

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter9: Liquids And Solids

Section: Chapter Questions

Problem 77QAP

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Please Help #31

29. A 275 mL sample of gas is kept at 25°C. What volume will the gas occupy at 100.°C?
30. A 575 mL sample of gas at STP is squeezed to a volume of 255 mL. What will be the
pressure of this gas at 273 K?
31. What volume of H2 would be produced from the reaction of 225 grams of Zinc under
conditions of 0.987 atm and 296 K? Given: Zn (s) + 2 HCI (aq) → H₂(g) + ZnCl₂ (aq)
32. What volume of H₂ would be produced from the reaction of 225 grams of Zinc reacting
with 1.00 L of 2.20 M HCl, given the same temperature and pressure as #31?
33. Determine the molarity of a solution made by dissolving 52.1 grams of NaOH into 575
mL of solution.
34. What volume of 0.782 M HCl is needed to neutralize 29.1 grams of Al(OH)3?
3 HCI (aq) + Al(OH)3 (s)
3 H₂O (1) + AICI3 (aq)
35. What volume of 12 M HCI is needed to make 1.00 L of a 2.00 M HCI solution?
Answers:
1. 3.1 g/mL
2. 0.12 kg
3. 302 K
4. Physical
5. Chemical
6. Homogeneous
7. Heterogeneous
8 47p+ 61n, 47e-

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