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g100num [7]
3 years ago
13

Examples for reversible change

Chemistry
2 answers:
castortr0y [4]3 years ago
6 0

Answer:

folding of paper

melting of ice

depletion of ozone

oxidation of blood

Explanation:

Rina8888 [55]3 years ago
4 0
Melting of ice
Sublimation
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How many mL of 2M stock solution would I use to prepare 0.500 L of 0.1 M NaCl?
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Answer:

25 mL

Explanation:

Step 1: Given data

  • Concentration of the concentrated solution (C₁): 2 M
  • Volume of the concentrated solution (V₁): ?
  • Concentration of the diluted solution (C₂): 0.1 M
  • Volume of the diluted solution (V₂): 0.500 L

Step 2: Calculate the volume of the concentrated NaCl solution

We will use the dilution rule.

C₁ × V₁ = C₂ × V₂

V₁ = C₂ × V₂ / C₁

V₁ = 0.1 M × 0.500 L / 2 M

V₁ = 0.025 L = 25 mL

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