A Method for Producing Pure Copper Metal Involves the Reaction

question 118

Multiple Choice

A method for producing pure copper metal involves the reaction of copper(I) sulfide with oxygen gas to give copper metal and sulfur dioxide.Suppose the yield of this reaction is 87%.What mass of a copper ore consisting of 46% copper(I) sulfide must be mined in order to produce 1.0 × 10³ kg (1.0 metric ton) of copper metal?

• A)1.3 × 10³ kg
• B)1.4× 10³ kg
• C)1.5 × 10³ kg
• D)3.2 × 10³ kg
• E)8.0 × 10³ kg

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Definitions:

Thorazine

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Lithium

A chemical element used as a medication to treat mood disorders such as bipolar disorder by stabilizing mood and reducing extremes in behavior.

Eye Movement Desensitization

A component of Eye Movement Desensitization and Reprocessing (EMDR), a therapeutic technique for reducing the impact of traumatic memories.

Therapeutically Effective

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