How Many Moles of Potassium Iodide, KI, Are Required to Precipitate

question 18

Multiple Choice

How many moles of potassium iodide, KI, are required to precipitate all of the lead (II) ion from 25.0 mL of a 1.6 M Pb(NO₃) ₂ solution? (First, write a balanced equation for the reaction.)

• A)0.040 mole
• B)0.080 mole
• C)0.020 mole
• D)64 mol
• E)0.64 mol

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Definitions:

Repair Order (RO)

A document issued by a service provider listing the work to be done on a vehicle, including repairs, maintenance, and the costs involved.

Inspections

The process of examining something closely, typically for safety or quality assurance purposes.

Service Bay

A designated area within a garage or workshop where vehicles are repaired or maintained.

Torque

A measurement of twisting force.