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Chapter 3: 7 (page 83)

You know that chemical A reacts with chemical B. You react 10.0 g A with 10.0 g B. Whatinformation do you need to have to determine the amount of product that will be produced?Explain.

Short Answer

Expert verified

The balanced chemical equation of the reaction is required first. Then, the limiting reagent can be predicted and the yield can be estimated further.

Step by step solution

01

Information used to convert the mole amounts

On converting 10 g of A and 10 g of B to mole amounts, it is necessary to know the mole ratio between the products as well as reactants.

02

Finding limiting reagent

On finding the limiting reagent, the mole ratio between reactants can be used. The mole ratio with the product can be used for finding the product formation. The product’s molar mass can be used for the conversion of moles to grams.

03

Conclusion

The information needed is the molar mass of product A and B, and the mole ratio between product and reactant.

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Consider the equation A+2B→AB2 Imagine that 10 moles of A is reacted with 26 moles of B.Use a scale from 0 to 10 to express your level of agreement with each of the following statements. Justify and discuss your responses.
a. There will be some As left over.
b. There will be some Bs left over.
c. Because of leftover As, some A2molecules will be formed.
d. Because of leftover Bs, some B2molecules will be formed.
e. Even if A is not limiting, A2 molecules will be formed.
f. Even if B is not limiting, role="math" localid="1662120548192" B2 molecules will be formed.
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