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irga5000 [103]
2 years ago
8

Which term refers to the number of moles of solute per liter of solution?

Chemistry
1 answer:
scoray [572]2 years ago
6 0

Answer:

molarity

Explanation:

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How many neutrons are there in 9 molecules of P4 with mass number 31 and proton number 15?
aalyn [17]

A = mass number which is equal to the total number of protons + number of neutrons, Z= atomic number of any element which is also indicates Number of protons or number of electron in the given atom.


The formula to calculate neutron would be :

mass number - proton  

31   - 15     = 16

Thus 16 neutrons are found in one atom of P  

There are 4 atom in one molecule

Thus  

4 atom /1 molecule * 9 molecule * 16 neutron / 1 atom  

= 4*9*16= 576 neutrons


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3 years ago
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Answer:

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3 years ago
A scientist discovered a microscopic unicellular organism with no nucleus which of the following correctly describes the organis
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Chemical reaction are irreversible. Some of the example of chemical reaction are cooking, rusting, and burning. During a chemical reaction, the composition of substances changes and the particles rearrange to form a new substance. The new substance formed after chemical reaction of substance has different  physical and chemical properties.

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