SO₂ Reacts with O₂ to Produce SO₃

question 29

Multiple Choice

SO₂ reacts with O₂ to produce SO₃. If 86.0 g of SO₂ is placed in a reaction vessel along with excess oxygen gas, how many moles of SO₂ remain when 50.0 g of SO₃ have been formed?

• A)0.56 mol
• B)0.62 mol
• C)0.72 mol
• D)0.78 mol
• E)1.34 mol

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Definitions:

Actual Reserves

The amount of funds that a bank has on hand and available to lend, beyond its reserve requirements.

Required Reserves

The minimum amount of funds a bank must hold in reserve against deposit liabilities, as mandated by regulatory authorities.

Required Reserve Ratio

The fraction of deposits that banks are required to keep on hand and not loan out, used by central banks to control the amount of money in circulation.

Legal Reserves

Reserves that depository institutions are allowed by law to claim as reserves; vault cash and deposits held at Federal Reserve district banks.