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Arturiano [62]
3 years ago
6

A neutral atom of chlorine (Cl) has an average mass of 35 amu and 17 electrons. How many neutrons does it have?

Chemistry
2 answers:
uysha [10]3 years ago
7 0
It has 18 neutrons
hope this helps
nataly862011 [7]3 years ago
6 0
It would have 18 neutrons, as a neutral atom has the same number of electrons as protons, therefore the number of protons is 17. 35-17 leaves you with 18 neutrons
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Answer:

Hi, There!

<em>Drinking energy drinks make people more hyper. What is the independent variable and the dependent variable?</em>

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<em>The Dependent variable is is the result which makes people more hyper</em>

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Give an example of experimental bias
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What is the highest sublevel for the element Boron?
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2p

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3 years ago
Most fertilizers consist of nitrogen-containing compounds such as NH3,CO(NH2)2,NH4NO3, and (NH4)2SO4. Plants use the nitrogen co
Y_Kistochka [10]

Answer: 1. NH_3=82.4\%

2.  CO(NH_2)_2=46.7\%

3. . NH_4NO_3=35\%

4. (NH_4)_2SO_4=21.2\%

NH_3 has highest nitrogen content.

Explanation:

To calculate the mass percent of element in a given compound, we use the formula:

\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Molar mass of nitrogen compound}}\times 100

1. NH_3

\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of} NH_3}=\frac{14}{17}\times 100=82.4\%

2. CO(NH_2)_2

\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of} CO(NH_2)_2}=\frac{14\times 2}{12\times 1+16\times 1+2\times 14+4\times 1}\times 100=\frac{28}{60}\times 100=46.7\%

3. NH_4NO_3

\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of} NH_4NO_3}=\frac{14\times 2}{14\times 2+16\times 3+4\times 1}\times 100=\frac{28}{80}\times 100=35\%

4. (NH_4)_2SO_4

\text{Mass percent of nitrogen}=\frac{\text{Mass of nitrogen}}{\text{Mass of}(NH_4)_2SO_4}=\frac{14\times 2}{14\times 2+16\times 4+32\times 1+8\times 1}\times 100=\frac{28}{132}\times 100=21.2\%

Thus NH_3 has highest nitrogen content  of 82.4%.

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