3 years ago

Which statement best describes a mole ?

2 answers:

5 0

<span>
It contains 6.02 mc001-1.jpg 1023 grams of sodium chloride.

It is the mass of 12 carbon atoms.

It contains 6.02 mc001-2.jpg 1023 particles of a given substance.</span>

Alex777 [14]3 years ago

3 0

It contains 6.02 1023 particles of a given substance.

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3 years ago

9. Sodium reacts with water to produce sodium hydroxide and hydrogen gas, as shown below.

saveliy_v [14]

Answer:

Explanation:

2Na + 2H2O2==NaOh + H2

184/23=x/18

x=(184×18)/23

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Volgvan

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