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Chm 204 Expt 4 Fall 2021 Synthesis of an Oxalate Complex Ion of Copper(II)
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Section EE (8 AM)
Section GG (11 AM)
If scientific notation is used, it must be in the only form recognized by Excel as demonstrated by this example: The number 0.000457 may be entered as 4.57E-4 (Note: NO SPACES), but NOT as 4.57 x 10^-4. Units are required whenever they are appropriate. Significant figure mistakes can be costly. Preview the on-line questions on your cover sheet. I have read and understood these statements.
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1. (1 pt) What mass of potassium oxalate monohydrate did you use?
Include significant figures and proper units.
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2. (1 pt) What mass of copper(II) sulfate pentahydrate did you use?
Include significant figures and proper units.
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3. (2 pts) How many moles of potassium oxalate monohydrate did you use?
Include significant figures and proper units.
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4. (2 pts) How many moles of copper(II) sulfate pentahydrate did you use?
Include significant figures and proper units.
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5. (1 pt) What was the limiting reagent?
potassium oxalate monohydrate
copper(II) sulfate pentahydrate
neither - the amount used was stoichiometric
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6. (1 pt) What was the mass of product you obtained?
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7. (2 pts) What is the molar mass of product compound?
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8. (2 pts) How many moles of product were obtained?
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9. (2 pts) What is the theoretical yield of product (in moles)?
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10. (2 pts) What is the theoretical yield of product (in grams)?
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11. (1 pt) What is the percent yield?
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