Find the Concentration of Calcium Ions in a Solution Made

question 20

Multiple Choice

Find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750.mL of 0.125 M NaF.[For CaF₂, K_sp = 3.95 × 10^-11.]

• A)3.16 × 10^-10 M
• B)2.53 × 10^-9 M
• C)4.29 × 10^-4 M
• D)6.32 × 10^-10 M
• E)2.15 × 10^-4 M

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Definitions:

Homozygous

Referring to an individual having two identical alleles for a specific trait.

Phenotype

Visible attributes or properties of an organism, shaped by the combination of the organism's genetic information and the influence of the environment.

Genotype

The genetic makeup of an organism, consisting of all the DNA and genes that dictate inherited characteristics.

Dominant Gene

A gene that expresses its phenotype even in the presence of its recessive form, thus determining the characteristic it controls.