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Tcecarenko [31]
3 years ago
5

Most of the mass in a growing tree comes from what? Trunk CO2 Leaves Oxygen

Chemistry
1 answer:
arlik [135]3 years ago
4 0

Answer:

Pero el carbono también es importante. Todos los seres vivos sobre la Tierra están hechos de carbono. Si eliminas el agua de nuestro cuerpo, encontrarás que el carbono constituye la mayoría del peso o masa restante. Lo mismo es cierto para las plantas.

Explanation:

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Problem PageQuestion A chemist makes of magnesium fluoride working solution by adding distilled water to of a stock solution of
igomit [66]

Answer:

5.37 × 10⁻⁴ mol/L

Explanation:

<em>A chemist makes 660. mL of magnesium fluoride working solution by adding distilled water to 230. mL of a 0.00154 mol/L stock solution of magnesium fluoride in water. Calculate the concentration of the chemist's working solution. Round your answer to 3 significant digits.</em>

Step 1: Given data

  • Initial concentration (C₁): 0.00154 mol/L
  • Initial volume (V₁): 230. mL
  • Final concentration (C₂): ?
  • Final volume (V₂): 660. mL

Step 2: Calculate the concentration of the final solution

We want to prepare a dilute solution from a concentrated one. We can calculate the concentration of the final solution using the dilution rule.

C₁ × V₁ = C₂ × V₂

C₂ = C₁ × V₁ / V₂

C₂ = 0.00154 mol/L × 230. mL / 660. mL = 5.37 × 10⁻⁴ mol/L

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