A 100-ML Sample of Water Is Taken from the Pacific Ocean

question 94

Multiple Choice

A 100.-mL sample of water is taken from the Pacific Ocean, and the water is allowed to evaporate. The salts that remain (mostly NaCl) have a mass of 3.85 g. Calculate the original concentration of NaCl, in g per liter, in the water sample.

• A) 32.5 g/L
• B) 34.5 g/L
• C) 36.5 g/L
• D) 38.5 g/L
• E) None of the above

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Check Clearing

The process by which banks settle transactions made by checks, ensuring that the funds move from the check writer's account to the recipient's.

Fractional Reserve Banking

A system in which depository institutions held reserves that are less than the amount of total deposits.

Actual Reserves

The amount of funds that a bank has on hand and in reserve accounts, which can be used to meet any withdrawal or payment demands.

Vault Cash

The physical currency a bank holds in its vault as part of its required reserves or for daily operations.