Does a Precipitate of Magnesium Fluoride Form If 300

question 93

Multiple Choice

Does a precipitate of magnesium fluoride form if 300.0 mL of 1.1 × 10^{-3 M} MgCl₂ are added to 500.0 mL of 1.2 × 10^{-3 M} NaF? [K_sp(MgF₂) = 6.9 × 10^-9]

• A) Yes, because Q > K_sp.
• B) No, because Q < K_sp.
• C) No, because Q = K_sp.
• D) Yes, because Q < K_sp.
• E) No, because Q > K_sp.

Describe the experimental evidence supporting key concepts in plant biology.

Identify the conditions under which photosynthesis and cellular respiration occur.

Explain the significance of light and dark reactions in photosynthesis.

Understand the concepts of photophosphorylation and the chemiosmotic theory.

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