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olga2289 [7]
3 years ago
5

How do you find moles

Chemistry
2 answers:
Marizza181 [45]3 years ago
6 0
A mole is equivalent to 6.02 x 10^23 molecules at STP. Use a conversion factor like the following.
Example: The initial value x  The value you are trying to convert to
                                               ------------------------------------------------
                                              The value you are trying to get rid of

MA_775_DIABLO [31]3 years ago
6 0
Well there are different ways in which you can find number of mole.
1. mole =mass divide by Mr
2. mole= concentration multiply by volume
3.PV =NRT 9For ideal gas) wher N is the number of mole

it all depends on the question!!!
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2 mole of Sodium hydroxide reacts with 1 mole of Sulfuric acid

Explanation:

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Now try to balance it. Try with Na first:

2NaOH + H₂SO₄ → Na₂SO₄ + H₂0

Na atoms are balanced. There are 6 Oxygen atoms on the right and 5 on the left. Balance by increasing the H₂O moles:

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Check if H atoms are also balanced. They are. That means our final reaction is:

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂0

2 Moles of NaOH reacts with 1 mole of H₂SO₄

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