Based on the Balanced Chemical Equation Shown Below,determine the Molarity

question 28

Multiple Choice

Based on the balanced chemical equation shown below,determine the molarity of a solution containing Fe²⁺(aq) if 40.00 mL of the Fe²⁺(aq) solution is required to completely react with 30.00 mL of a 0.250 mol L^-1 potassium bromate,KBrO₃(aq) ,solution.The chemical equation for the reaction is
6 Fe²⁺(aq) + BrO₃^-(aq) + 6 H⁺(aq) → 6 Fe³⁺(aq) + Br^-(aq) + 3 H₂O(l)

• A)0.0312 mol L^-1
• B)0.188 mol L^-1
• C)1.12 mol L^-1
• D)2.00 mol L^-1

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Definitions:

Money Supply

The total amount of monetary assets available in an economy at a specific time, influencing inflation and economic stability.

Bank Reserves

The portion of deposits that banks are required to hold either in cash in their vaults or on deposit with a central bank, as a precaution to ensure bank liquidity.

Reserve Requirement

The minimum amount of reserves that a bank is required to hold by law as a percentage of its deposits, used by central banks to control the money supply.

Open Market Sale

The selling of government bonds and securities in the open market to decrease the money supply.