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densk [106]
3 years ago
13

Can you explain the difference between molarity, percent by mass, and molality?

Chemistry
1 answer:
cestrela7 [59]3 years ago
3 0
Http://chemistry.about.com/od/chemistryterminology/a/What-Is-The-Difference-Between-Molarity-And-Mol... 

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How to know how many valence electrons are in an element
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Answer:

Hope it helped

Explanation:

For neutral atoms, the number of valence electrons is equal to the atom's main group number. The main group number for an element can be found from its column on the periodic table. For example, carbon is in group 4 and has 4 valence electrons. Oxygen is in group 6 and has 6 valence electrons.

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3 years ago
Los hidrocarburos son compuestos organicos en cuyas moléculas contienen ....?
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3 years ago
Hi help plz .........
ArbitrLikvidat [17]

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8 0
2 years ago
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g100num [7]

Answer:

The correct answer would be - D. What causes cancer cells to grow uncontrollably?

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So, given all are can be an example of the study biology wanted to do, however, the question most likely studied by a biologist would be What causes cancer cells to grow uncontrollably as it deals with an organism and their biological process.

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Consider these diagrams representing particle arrangements. Which correctly matches the diagrams with the three phases of matter
hram777 [196]

the answer is c) just took the test so these are facts.

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