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One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl in water. In this mixture, 0.89% of the mass is contributed by the NaCl. What mass of NaCl is found in 450. mL of physiological saline (Given: density of physiological saline = 1.005 g/cm3)
Jacob Riis
A Danish-American social reformer, "muckraking" journalist, and photographer who highlighted the plight of the poor in New York City's slums in the late 19th century.
Tenements
Multi-family urban dwellings, often overcrowded and poorly maintained, historically associated with the working class or poor.
Child Labor Laws
Legislation designed to prevent the exploitation of children by limiting the age, hours, and types of work they can perform.
Temperance
A social movement aimed at reducing or eliminating the consumption of alcoholic beverages due to the belief that alcohol abuse leads to social, moral, and medical issues.
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