Define atomic mass unit. The relative atomic mass of oxygen atom is 16. Explain its meaning.

Chemistry

1 answer:

hodyreva [135]2 years ago

7 0

Answer:

The atomic mass of an atom is the number of protons plus neutrons.

Fact: In case you get it confused with atomic number, atomic number is the number of protons in the atom.

Explanation: It could have been electrons plus neutrons since electrons equals protons but electrons aren't stable which is why it is protons and neutrons.

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7. Suppose 1.01 g of iron (III) chloride is placed in a 10.00-mL volumetric flask with a bit of water in it. The flask is shaken

Nana76 [90]

Answer: The molarity of Iron (III) chloride is 0.622 M.

Explanation:

Molarity is defined as the number of moles present in one liter of solution. The equation used to calculate molarity of the solution is:

$\text{Molarity of the solution}=\frac{\text{Moles of solute}}{\text{Volume of solution (in L)}}$