How Many Grams of Ethanol $\left( \text { density } 0.80 \mathrm {~g} / \mathrm { cm } ^ { 3 } \right)$

question 89

Multiple Choice

How many grams of ethanol $\left( \text { density } 0.80 \mathrm {~g} / \mathrm { cm } ^ { 3 } \right)$ should be added to 5.0 g of chloroform (density $\left. 1.5 \mathrm {~g} / \mathrm { cm } ^ { 3 } \right)$ if the resulting mixture is to have a density of $1.2 \mathrm {~g} / \mathrm { cm } ^ { 3 } ?$ Assume that the fluids do not change their volumes when they are mixed.

• A) 1.8 g
• B) 1.6 g
• C) 2.4 g
• D) 2.0 g
• E) 4.4 g

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Definitions:

Civil Rights Movement

A struggle for social justice in the 1950s and 1960s in the United States aimed at ending racial discrimination and gaining equal rights under the law.

Anti-war Movement

Social movements, typically during periods of military conflict, that advocate for peace and are against the initiation or continuation of armed conflict.

Vietnam War

A prolonged conflict (1955-1975) between communist forces in North Vietnam, supported by its allies, and the government of South Vietnam, backed by the United States.

President Kennedy

John F. Kennedy, the 35th President of the United States, served from January 1961 until his assassination in November 1963.