Number of Hydrogen Atoms in C18H34O2?
2 answers:
Answer : The number of hydrogen atoms in are 34.
Explanation :
The given formula of compound is, .
The given compound is made up of three elements which are carbon, hydrogen and oxygen.
In ,
The number of carbon atoms are, 18.
The number of hydrogen atoms are, 34.
The number of oxygen atoms are, 2.
Hence, the number of hydrogen atoms in are 34.
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Answer:
Explanation:
To convert from representative particles to moles, Avogadro's Number: 6.02*10²³, which tells us the number of particles (atoms, molecules, etc.) in 1 mole of a substance.
We can use it in a ratio.
Multiply by the given number of molecules.
Flip the ratio so the molecules of water cancel out.
Divide.
The original number of molecules has 2 significant figures: 3 and 1, so our answer must have the same. For the number we calculated, that is the tenth place. The 4 in the hundredth place tells us to leave the 1.
There are about 5.1 moles of water in 3.1*10²⁴ molecules of water.