Elements a and Z React to Form Compound AZ

question 72

Multiple Choice

Elements A and Z react to form compound AZ. Compound AZ contains 40% A and 60% Z by mass. Which statement best explains the outcome  of mixing  100 g of A is mixed with 100 g of Z?

• A) The reaction will form 200 g of AZ.
• B) The reaction will form 100 g of AZ.
• C) After all possible AZ is formed, some Z will be left over.
• D) After all possible AZ is formed, some A will be left over.
• E) No reaction will occur since the reactants are in the wrong ratio.

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