When 500 ML of a 0

question 137

Multiple Choice

When 50.0 mL of a 0.3000 M AgNO₃ solution is added to 50.0 mL of a solution of MgCl₂, an AgCl precipitate forms immediately.The precipitate is then filtered from the solution, dried, and weighed.If the recovered AgCl is found to have a mass of 0.1183 g, what as the concentration of magnesium ions in the original MgCl₂ solution?

• A)0.300 M
• B)8.25 × 10^-3 M
• C)1.65 × 10^-2 M
• D)2.06 × 10^-5 M
• E)4.13 × 10^-3 M

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Definitions:

Amino Acids

Organic compounds serving as the building blocks of proteins, crucial for life and involved in various metabolic processes.

Orthologs

Genes in different species that evolved from a common ancestral gene by speciation and retain the same function in the course of evolution.

Homoplasy

Homoplasy refers to a phenomenon in evolutionary biology where similar traits or structures arise independently in different lineages, not due to common ancestry.

Molecular Phylogenies

The use of molecular data to construct evolutionary trees that represent the relationships among different species or organisms.