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Ugo [173]
3 years ago
10

3.

Chemistry
1 answer:
STatiana [176]3 years ago
3 0

Answer:

Na F

Explanation:

because electrovalent bond is present between them

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3 years ago
How many molecules are in 25g of Na2SO4? POINTS!! Please help! Im so frustrated.
erik [133]
Hey there!

Molar mass Na2SO4 = <span>142.04 g/mol

Number of moles:

n = m / mm

n = 25 / 142.04

n = 0.176 moles of Na2SO4

Therefore, </span>use the Avogadro constant


1 mole Na2SO4 ------------------- 6.02x10²³ molecules
0.176 moles Na2SO4 ------------   molecules ??


0.176  x  ( 6.02x10²³ ) / 1 

=> 1.059x10²³ molecules of Na2SO4

hope this helps!
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Answer:

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IUPAC name for c2h2cl2?
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Answer:

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Read 2 more answers
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