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Snezhnost [94]
3 years ago
10

What is the mass in grams of 0.687 moles of NH three

Chemistry
1 answer:
stepan [7]3 years ago
3 0
NH3 = 14 +3*1=17 g/mol
Mass = mol * molar mass = 0.687 * 17= 11.679 g
Can u mark it brainliest?
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You could ask whether the black crust is a new substance formed from silver underwent a chemical change because a chemical change produces a new substance.
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A chlorine (CI) atom has 7 valence electrons. Which of the following would be the most likely way for a chlorine atom to become
pogonyaev

Answer:

Option C. Gain 1 electron

Explanation:

Valence electron(s) are the electron(s) located on the outermost shell of an atom. Valency is simply defined as the combining power of an atom.

Chlorine (Cl) atom has 7 valence electron. This implies that Cl needs just one electron to complete it's octet configuration. It will be difficult for Cl to lose any of it's valence electron(s). Cl can either gain or share 1 electron to become stable.

Thus, considering the options given in the question above, option C gives the correct answer to the question.

3 0
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a helium filled balloon has a volume of 208 l and it contains 9.95 moles of gas. if the pressure of the balloon is 1.26 atm dete
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Hope this answers the question.
8 0
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