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igor_vitrenko [27]
3 years ago
12

If 5.7 moles of zinc metal react with 8.9 moles of silver nitrate, how many moles of silver metal can be formed, and how many mo

les of the excess reactant will be left over when the reaction is complete? Unbalanced equation: Zn + AgNO3 → Zn(NO3)2 + Ag Be sure to show all of your work.
Mathematics
1 answer:
Dima020 [189]3 years ago
6 0
The balanced equation is 

<span>Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag </span>

<span>the ratio between Zn and AgNO3 is 1 : 2 </span>

<span>moles AgNO3 required = 5.7 x 2 =11.4 </span>

<span>we have only 8.9 moles of AgNO3 so it is the limiting reactant </span>

<span>moles Zn needed = 8.9/2=4.45 </span>

<span>moles Zn in excess = 5.7 - 4.45 =1.25 ( or 1.3 at two significant figures)

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
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<h3>Answer:</h3>

For each birdhouse built, the total cost increases by $3.50.

<h3>Step-by-step explanation:</h3>

Let's try some of the answers and see if they work.

The "initial cost" will be the cost when 0 birdhouses are built.

... f(0) = 3.5·0 +24 = 24 . . . . . clearly, not $3.50

Then increasing the number of birdhouses by 1, the cost is ...

... f(1) = 3.5·1 +24 = 27.5 . . . . . the cost has gone up (not down) by $3.50

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___

Our exploration of the formula leads us to conclude ...

... For each birdhouse built, the total cost increases by $3.50.

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3 years ago
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Find three solutions of the equation.
Gwar [14]

Answer:

3rd group of possible answers is the correct set

Step-by-step explanation:

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3 years ago
Read 2 more answers
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