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Ann [662]
3 years ago
14

Which of the following statements about atoms is true?

Chemistry
1 answer:
makkiz [27]3 years ago
3 0

Answer:

d. All of the above three answers are correct

Explanation:

Atoms are themselves built up from many smaller particles. According to Rutherford's nuclear theory (1906), the neutron and proton make up the nucleus of the atom.  Atoms are electrically neutral because they contain the same number of electrons and protons. The size of atoms is about 10^{-10} meters. The fundamental particle of the atom is the electron.

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Answer:

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Explanation:

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5 0
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What is the molarity of .0000000342 grams of adenosine 3'5' cyclic monophosphate (CAMP) in one lite
Doss [256]

<u>Answer:</u> The molarity of solution is 1.0388\times 10^{-10}M

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

\text{Molarity of the solution}=\frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Volume of solution (in L)}}

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Mass of solute (CAMP) = 0.0000000342 g

Molar mass of CAMP = 329.21 g/mol

Volume of solution = 1 L

Putting values in above equation, we get:

\text{Molarity of solution}=\frac{0.000,000,0342g}{329.21g/mol\times 1L}\\\\\text{Molarity of solution}=1.0388\times 10^{-10}M

Hence, the molarity of solution is 1.0388\times 10^{-10}M

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