What Mass of CaCl₂ Is Needed to Produce 15

question 5

Multiple Choice

What mass of CaCl₂ is needed to produce 15.0 liters of 1.60 M solution of CaCl₂? (Molar mass of CaCl₂ = 111 g)

• A) 2.40 kg
• B) 2.66 kg
• C) 1,040 g
• D) 24.0 g
• E) 2.08 kg

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Definitions:

Peptidoglycan

A compound made up of amino acids and sugars that creates a mesh-like coating outside the plasma membrane in the majority of bacteria, offering shape and structural support.

Lysozyme

An enzyme found in many tissues and in tears and other body fluids; attacks the cell wall of many gram-positive bacteria.

Innate Immunity

See innate immune responses.

Phagocytosis

Phagocytosis is a cellular process wherein cells engulf and digest large particles or microorganisms, playing a key role in the immune response.