What Is the Minimum Mass of Cs₂CO₃ (Molar Mass = $\times$

question 25

Multiple Choice

What is the minimum mass of Cs₂CO₃ (molar mass = 325.821 g/mol) that must be added to 54.8 mL of a 5.0 $\times$ 10^-4 M AgNO₃ solution in order for precipitation to occur? The K_sp of Ag₂CO₃ is 8.6 $\times$ 10^-12.Assume no volume change occurs upon addition of Cs₂CO₃.

• A) 8.9 \(\times\) 10^-3 g
• B) 9.6 \(\times\) 10^-4 g
• C) 4.5 \(\times\) 10^-3 g
• D) 3.1 \(\times\) 10^-7 g
• E) 6.1 \(\times\) 10^-4 g

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Definitions:

Nth-Order Equations

Equations that involve derivatives of an unknown function to the nth degree, often found in mathematics and physics.

Imaginary Solutions

Solutions to equations that include the square root of a negative number, often involving the imaginary unit 'i'.

Net Present Value

A financial metric that calculates the value of a series of cash flows by discounting them to the present day, taking into account the time value of money.

Cost of Capital

The average rate a firm pays its investors for the use of their funds adjusted for taxes and administrativecosts. Also called the WACC forweighted average cost of capital.Distinguish from the costs of individualcapital components that are the adjustedrates paid on debt, preferred stock, andcommon equity. The component costs are(weighted) averaged to get the WACC