4. Which of the following compounds is
molecular?
A. NaF
B. Al3PO4
C. CO2
D. KC1
Solved
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Ответ:
CO2(C)
Explanation:
This is because there is a mutual sharing of electrons between the atoms or elements...That's to say covalent bond exist between them.
Ответ:
0.348 L
Explanation:
Step 1: Given data
Concentration of the concentrated solution (C₁): 6.49 MVolume of the concentrated solution (V₁): ?Concentration of the dilute solution (C₂): 1.07 MVolume of the dilute solution (V₂): 2.11 LStep 2: Calculate the volume of the concentrated solution
We want to prepare a dilute solution from a concentrated one. We can calculate the volume of the concentrated solution using the dilution rule.
C₁ × V₁ = C₂ × V₂
V₁ = C₂ × V₂ / C₁
V₁ = 1.07 M × 2.11 L / 6.49 M = 0.348 L