Which Solution Has the Same Number of Moles of KCl

question 25

Multiple Choice

Which solution has the same number of moles of KCl as 75.00 mL of 0.250 M solution of KCl?

• A)20.0 mL of 0.200 M solution of KCl
• B)25.0 mL of 0.175 M solution of KCl
• C)129.3 mL of 0.145 M solution of KCl
• D)50.0 mL of 0.125 M solution of KCl
• E)100 mL of 0.0500 M solution of KCl

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Definitions:

Amino Acids

Fundamental components of proteins, each containing an amino group, a carboxylic acid group, and a unique side chain.

Double Helix

The structure of DNA, which consists of two antiparallel polynucleotide chains twisted around each other.

Polymer

is a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units.

Nucleotides

The basic building blocks of nucleic acids like DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.