What Is the Freezing Point of a Solution Containing 2

question 44

Multiple Choice

What is the freezing point of a solution containing 2.80 grams benzene (molar mass = 78.11 g/mol) dissolved in 43.0 grams paradichlorobenzene (molar mass = 147.0 g/mol) ? The freezing point of pure paradichlorobenzene is 53.0 °C and the freezing point depression constant,K_fp,is -7.10 °C/m.

• A) 46.7 °C
• B) 47.1 °C
• C) 58.9 °C
• D) 52.6 °C
• E) 58.9 °C..

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Definitions:

Capillary Networks

The extensive networks of capillaries (small blood vessels) that supply tissues with nutrients and oxygen and remove waste products.

Peritubular Capillary

The peritubular capillaries are a network of tiny blood vessels that surround the tubules in the kidney, involved in the reabsorption and secretion processes during urine formation.

Efferent Arteriole

Vessel that carries blood from the glomerulus to the peritubular capillaries.

Glomerular Capillaries

are specialized capillaries within the kidneys that are involved in the filtration process of blood to form urine.