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lord [1]
3 years ago
6

Plz help due tomorrow what are the answers 1-5 will be marked brainliest

Chemistry
1 answer:
lina2011 [118]3 years ago
6 0

1.)D

2.)B

3.)A

4.)C

5.)C

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Determine how many atoms of pure silver will be created when 19.83 x 1023 atoms of copper are used in the following reaction:
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Answer:

\boxed{3.966 \times 10^{24}\text{ atoms of Ag}}

Explanation:

(a) Balanced equation

Cu + 2AgNO₃ ⟶ Cu(NO₃)₂+ 2Ag

(b) Calculation

You want to convert atoms of Cu to atoms of Ag.

The atomic ratio is ratio is 2 atoms Ag:1 atom Cu

\text{Atoms of Ag} = 19.83 \times 10^{23}\text{atoms Cu} \times \dfrac{\text{2 atoms Ag}}{\text{1 atom Cu}}\\\\= 3.966 \times 10^{24}\text{ atoms of Ag}\\\\\text{The reaction will produce }\boxed{\mathbf{3.966 \times 10^{24}}\textbf{ atoms of Ag}}

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