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Nostrana [21]
3 years ago
10

The titration of HCl with NaOH is an example of:

Chemistry
1 answer:
Sveta_85 [38]3 years ago
4 0

Answer:

I’m pretty sure it’s C

Explanation:

AP Ex

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A compound has the empirical formula CH2O and a gram-formula mass of 60. grams per mole. What is the molecular formula of this c
AlladinOne [14]
We already know the molar mass of C is 12.01g/mol, of H is 1.008 g/mol, and of O is 16g/mol.

If the molecular formula were also the empirical formula (which is CH2O), then it would have a molar mass of:
12.01g/mol +2*(1.008g/mol)+ 16g/mol= 30.03g/mol

However, the actual molar mass of the molecular formula is 60.g/mol, which is about twice as large as 30.03g/mol. Therefore, we have to multiply the empirical formula by 2.

The molecular formula of this compound is (2) C2H4O2.

Hope this would help~

4 0
3 years ago
I need help with Number 63
Lubov Fominskaja [6]
Isotopes are variants of an element which have differing number of neutrons. So, yes, because all of them have the same atomic number, meaning they are all Mg, however they all have differing atomic masses meaning different number of neutrons.
8 0
2 years ago
Which of the following would not be considered a physical property? Group of answer choices : (A) temperature at which a materia
Vinil7 [7]

Answer:

The answer to your question is: A) temperature at which a material catches on fire.

Explanation:

(A) temperature at which a material catches on fire this is a chemical property, so this is the right answer to your question.

(B) color physical property

(C) conductivity  physical property

(D) hardness physical property

5 0
3 years ago
When c2h4 molecules polymerize, the name of the polymer formed is
Gnoma [55]
<span>When c2h4 molecules polymerize, the name of the polymer formed is (b) Polyethylene. This is because the compound C2H4 is ethylene (common name) or ethene (IUPAC name) and polymerizing it would produce polyethylene. The other names are not applicable for C2H4.

</span>
7 0
3 years ago
When an oxygen atom forms an ion, it gains two electrons. Identify the electrical charge of the oxygen ion.
mel-nik [20]
"-2" is the electric charge of the oxygen ion among the following choices given in the question. It actually needs two electrons to complete the stable outer shell. The correct option among all the options that are given in the question is the third option or option "C". I hope that the answer has helped you.
5 0
3 years ago
Read 2 more answers
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