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rodikova [14]
3 years ago
14

Is sodium ion or sodium metal in table salt?

Chemistry
1 answer:
zhenek [66]3 years ago
3 0

Answer:

sodium ion

Explanation:

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If the atomic mass of 1 oxygen atom is 15.9994 amu, how much mass does of 1 mole oxygen have?​
IrinaK [193]

Answer:

15.9994 amu

Explanation:

By definition 1 mole of any substance is the mass that contains 1 Avogadro's Number of particle. (=> 6.02 x 10²³ particles/mole).

1 mole Oxy => 15.9994 amu => contains 6.02 x 10²³ particles Oxy /mole

1 mole Sulfur => 32.064 amu => contains 6.02 x 10²³ particles Sulfur /mole

1 mole H₂O => 18 amu => contains 6.02 x 10²³ molecules of water / mole.

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pishuonlain [190]

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Explanation:

Li(s)+1/2 F₂(g)→LiF(s)

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In other reaction one mole is not produced if we balance the reaction. The reactant must be in gaseous state .  ΔH∘f . represents heat of formation .  ΔH∘rxn represents heat of reaction .

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