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STALIN [3.7K]
3 years ago
8

Into what 4 classes can elements be sorted based on their electron configurations

Chemistry
1 answer:
NARA [144]3 years ago
8 0

Explanation:

they can be sorted into solids, liquids, gases and plasma.

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How many grams of NaCl do you need to prepare 200 ml of a 5M solution? The molecular weight of NaCl is 58.4 g/mol. Smol 0.2L-1mo
Butoxors [25]

Answer:

The answer to your question is: 58.4 g of NaCl

Explanation:

Data

Volume = 200 ml = 0.2 l

Concentration = 5M

MW = 58.4 g

mass NaCl = ?

Formula

             Molarity = (# of moles ) / volume

             # of moles = Molarity x volume

             # of moles = 5 x 0.2

             # of moles = 1

              58.4 g ---------------------- 1 mol

              x          ---------------------  1 mol

              x = (1 x 58.4) / 1

             x = 58.4 g of NaCl

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The denser and thicker a liquid is, the higher the buoyancy of an object is. In other words, if the density of a certain fluid i
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Yes this is true.

Explanation:

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