010 M Potassium Chromate Is Slowly Added to a Solution

question 141

Multiple Choice

0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO₃ and 0.50 M Ba(NO₃) ₂.What is the Ag⁺ concentration when BaCrO₄ just starts to precipitate? The K_sp for Ag₂CrO₄ and BaCrO₄ are 1.1 × 10^-12 and 1.2 × 10^-10,respectively.

• A)6)5 × 10^-5 M
• B)1)3 × 10^-4 M
• C)3)2 × 10^-4 M
• D)6)8 × 10^-2 M

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Definitions:

Karyotype

The number and appearance of chromosomes in the nucleus of an eukaryotic cell. The term is also used for the complete set of chromosomes in a species or an individual organism.

G₂ Phase

A phase in the cell cycle where a cell has completed DNA synthesis and enters a period of growth and preparation for mitosis.

Prophase

The first stage of cell division in both mitosis and meiosis, where chromosomes condense and the nuclear envelope breaks down.

S Phase

refers to the phase of the cell cycle in which DNA is replicated, occurring between the G1 and G2 phases.