1. A 0.50 g sample of aluminum is reacted with 20. mL of 0.40 M copper(II) nitrate to produce solid copper and aluminum nitrate according to this balanced chemical equation 2Al(s) + 3Cu(NO3)2(aq) → 3Cu(s) + 2AI(NO3)3 Which substance is limiting and what is the theoretical yield of solid copper?
1. A 0.50 g sample of aluminum is reacted with 20. mL of 0.40 M copper(II) nitrate to produce solid copper and aluminum nitrate according to this balanced chemical equation 2Al(s) + 3Cu(NO3)2(aq) → 3Cu(s) + 2AI(NO3)3 Which substance is limiting and what is the theoretical yield of solid copper?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.111PAE: 4.111 Aluminum metal reacts with sulfuric acid to form hydrogen gas and aluminum sulfate (a) Write a...
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Transcribed Image Text:1. A 0.50 g sample of aluminum is reacted with 20. mL of 0.40 M copper(II) nitrate to produce solid
copper and aluminum nitrate according to this balanced chemical equation
2Al(s) + 3Cu(NO3)2(aq) → 3Cu(s) + 2AI(NO3)3
Which substance is limiting and what is the theoretical yield of solid copper?
2. Solid zinc reacts with a chromium nitrate solution to produce solid chromium and an aqueous zinc
nitrate. Chromium has multiple oxidation states, including Cr+2, Cr+4, Cr+6.
The balanced reaction for the Cr+2 ion with Zn is below
Zn + Cr(NO3)2 → Zn(NO3)2 + Cr
a. Write a balanced reaction for the reaction between chromium(IV) nitrate and zinc, and for the
reaction between chromium(VI) nitrate and zinc.
b. If 2.00 g Zn is reacted with an excess of a chromium nitrate solution of unknown composition (Cr+2,
Cr+4, or Cr+6) to produce 0.53 g of solid chromium. What was the initial oxidation state of the
chromium nitrate solution (Cr+2, Cr+4, or Cr+6)?
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