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AfilCa [17]
2 years ago
9

How much does one mole of NH3 weigh?

Chemistry
1 answer:
Leokris [45]2 years ago
6 0
17.031 g/mol Hope this helps you
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How is ethanol different from carbon dioxide?
ira [324]

Answer:

B

Explanation:

Ethanol is C2H6O. Carbon diozidex is CO2. Ethanol has hydgrogen, where carbon dioxide does not.

6 0
3 years ago
Read 2 more answers
Calculate the mass percent of Cl in Freon -112 (C2 Cl4 F2), a CFC refrigerant
Karolina [17]

Answer:

The answer to your question is:  69.6 %

Explanation:

Freon -112 (C₂Cl₄F₂)

MW = (12 x 2) + (35.5 x 4) + (19 x 2)

      = 24 + 142 + 38

      = 204 g

                       204 g of C₂Cl₄F₂  -----------------  100%

                       142 g                     -----------------   x

                      x = (142 x 100 ) / 204

                      x = 69.6 %

5 0
3 years ago
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A metal ion Mⁿ⁺ has a single electron. The highest energy line in its emission spectrum occurs at a frequency of 2.961 x 10¹⁶ Hz
Whitepunk [10]

Answer:

z≅3

Atomic number is 3, So ion is Lithium ion (Li^+)

Explanation:

First of all

v=f*λ

In our case v=c

c=f*λ

λ=c/f

where:

c is the speed of light

f is the frequency

\lambda=\frac{3*10^8}{2.961*10^{16}}\\ \lambda=1.01317*10^{-8} m

Using Rydberg's Formula:

\frac{1}{\lambda}=R*z^2*(\frac{1}{n_1^2}-\frac{1}{n_2^2})

Where:

R is Rydberg constant=1.097*10^7

z is atomic Number

For highest Energy:

n_1=1

n_2=∞

\frac{1}{1.01317*10^{-8}}=1.097*10^{7}*z^2*(\frac{1}{1^2}-\frac{1}{\inf})\\z^2=8.99\\z=2.99

z≅3

Atomic number is 3, So ion is Lithium ion (Li^+)

3 0
3 years ago
Determine the ions of ammonium, in 870.4x10-23 grams of (NH4)3PO4. Round the results to the tenths.
babunello [35]

Answer: if your trying to say what 4x10-23 is the answer is 17

and if ur also trying to say whats 870.4x10-23 the answer is 8681 have a nice day!

Explanation:

also and what is (NH4)3PO4 if its a file code or link your not allowed to post that

6 0
2 years ago
Organic compounds are a source of _______.​
jek_recluse [69]

Answer:

<h2>Petroleum and coaltar are the main sources of organic compounds. <u>(edit: Protein is most likely correct because I did some further research and I am mistaken I believe the other answer is right because it is also found to be a source of energy aka protein)</u></h2>

Explanation:

4 0
2 years ago
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