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Dmitriy789 [7]
2 years ago
14

Density is the amount of matter per space or mass/volume.

Chemistry
1 answer:
Doss [256]2 years ago
4 0

Answer:

Explanation:

density is the amount of weight/mass packed into a specific volume of material so i believe that is right

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What mass of sodium chloride is needed to prepare 200 ml of a 0.1 M solution
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Explanation:

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<em>M = (mass/molar mass)solute x (1000/ V)</em>

M = 0.1 M, mass = ??? g, molar mass of NaCl = 58.44 g/mol, V = 200.0 mL.

∴ mass of NaCl = (M)(molar mass)(V)/1000 = (0.1 M)(58.44 g/mol)(200.0 mL)/1000 = 1.168 g ≅ 1.17 g.

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