025 Mol of a Nonvolatile,nonionic Solute Dissolved in 300 G

question 94

Multiple Choice

0.25 mol of a nonvolatile,nonionic solute dissolved in 300 g of water (K_f = 1.86 °C m^-1) will lower the freezing point how many degrees?

• A)0.65 °C
• B)2.2 °C
• C)0.14 °C
• D)1.6 °C
• E)3.2 °C

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Definitions:

Holocene

The current geological epoch, which started approximately 11,700 years ago after the last major ice age.

Carbon Dating

A method used to determine the age of an artifact or remains by measuring the amount of carbon-14 present, which decays over time.

Radiometric Dating

A method for determining the age of an object based on the decay rate of radioactive isotopes contained within it.

Half-Life

The time required for half the quantity of a radioactive substance to undergo decay or for a drug's concentration in the body to be reduced by half.