What Is the Maximum Amount of Sodium Sulfate That Can

question 24

Multiple Choice

What is the maximum amount of sodium sulfate that can be added to 1.00 L of 0.0020 M Ca(NO₃) ₂ before precipitation of calcium sulfate begins? K_sp = 2.4 *10¯⁵ for calcium sulfate

• A) 1.2 * 10¯² mol
• B) 4.9 * 10¯³ mol
• C) 3.5 *10¯³ mol
• D) 1.2 * 10¯⁵ mol
• E) 4.8 * 10¯⁸ mol

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Definitions:

Valence Electrons

Electrons in an atom's outer shell that are available for bonding with other atoms.

Valence

Refers to the combining power of an element, especially in terms of the number of hydrogen atoms it can bond with or displace to form a compound.

Lewis Structure

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Molecular Formula

A representation of the number and type of atoms in a molecule using symbols and numerical subscripts.