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3 years ago

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The molar mass of C2H6O2

1 answer:

KengaRu [80]3 years ago

3 0

Answer:

62.07 g/mol

Explanation:

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Which type of reaction always has an element and a compound as reactants?

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Answer:

B. single-replacement

Explanation:

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What term best defines the process that occurs when nuclei combine to produce a nucleus with more mass?

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I just answered your other question and wrote all the definitions of the terms. I would say this is probably refering to Fusion because you are fusing together more nuclei into one nucleus. Fusion= bringing separate things into one entity.

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Boron has two naturally-ocurring isotopes. Boron-10 has an abundance of 19.8% and actual mass of 10.013 amu, and boron-11 has an

aniked [119]

Answer:

Average atomic mass = 10.812 amu

Explanation:

The formula for the calculation of the average atomic mass is:

$Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})$

Given that:

<u>For first isotope, Boron-10: </u>

% = 19.8 %

Mass = 10.013 amu

<u>For second isotope, Boron-11: </u>

% = 80.2 %

Mass = 11.009 amu

Thus,

$Average\ atomic\ mass=\frac{19.8}{100}\times {10.013}+\frac{80.2}{100}\times {11.009}=1.982574+8.829218=10.811792$

<u>Average atomic mass = 10.812 amu</u>

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Which element would form an ionic bond with Oxygen?

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Nitrogen will form an ionic bond

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What is the chemical formula of sodium carbonate?

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Na2CO3 is the formula for sodium carbornate

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