Calculate the PH of an Aqueous Solution That Is 1

question 20

Multiple Choice

Calculate the pH of an aqueous solution that is 1.0 M Na₂CO₃.K_a2 for H₂CO₃ is 4.7 × 10^-11.

• A)8.8
• B)10.3
• C)3.7
• D)12.2
• E)1.8

Identify specific protists of economic or health significance.

Understand the basic structure and function of protist cells.

Explain the concept of endosymbiosis and its importance in protist evolution.

Distinguish between different modes of nutrition among protists.

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Definitions:

Z

Often represents impedance in electrical circuits, a complex measurement that includes both resistance (R) and reactance (X), measured in ohms (Ω).

RC Parallel Circuit

An electrical circuit composed of resistors and capacitors in parallel configuration, commonly analyzed to study frequency response or filtering properties.

R

A symbol commonly used to represent resistance in electrical circuits.

RC Parallel Circuit

A circuit configuration consisting of a resistor (R) and a capacitor (C) connected in parallel, which influences the charging and discharging time constants.