The molar mass of a monoprotic acid that is neutralized by sodium hydroxide is to be determined. Concept introduction: The reaction between an acid and a base is known as neutralization reaction. In these types of reactions, water and a salt are formed as products. The concentration of a solution in terms of molarity is determined by the following expression: M = ( m ) ( 1 V ) Here, M is the concentration of the compound in molarity, m is the number of moles of the compound, and V is the volume of the solution containing the compound. The number of moles of a reactant is calculated by the following formula: m = w t M w Here, m is the number of moles of the compound, w t is the weight of the compound, and M w is the molecular weight of the compound.
The molar mass of a monoprotic acid that is neutralized by sodium hydroxide is to be determined. Concept introduction: The reaction between an acid and a base is known as neutralization reaction. In these types of reactions, water and a salt are formed as products. The concentration of a solution in terms of molarity is determined by the following expression: M = ( m ) ( 1 V ) Here, M is the concentration of the compound in molarity, m is the number of moles of the compound, and V is the volume of the solution containing the compound. The number of moles of a reactant is calculated by the following formula: m = w t M w Here, m is the number of moles of the compound, w t is the weight of the compound, and M w is the molecular weight of the compound.
Solution Summary: The author explains the molar mass of a monoprotic acid that is neutralized by sodium hydroxide.
The molar mass of a monoprotic acid that is neutralized by sodium hydroxide is to be determined.
Concept introduction:
The reaction between an acid and a base is known as neutralization reaction. In these types of reactions, water and a salt are formed as products.
The concentration of a solution in terms of molarity is determined by the following expression:
M=(m)(1V)
Here, M is the concentration of the compound in molarity, m is the number of moles of the compound, and V is the volume of the solution containing the compound.
The number of moles of a reactant is calculated by the following formula:
m=wtMw
Here, m is the number of moles of the compound, wt is the weight of the compound, and Mw is the molecular weight of the compound.
2) (4 pt) After the reaction was completed, the student collected the following data. Crude
product data is the data collected after the reaction is finished, but before the product
is purified. "Pure" product data is the data collected after attempted purification using
recrystallization.
Student B's data:
Crude product data
"Pure"
product data
after
recrystallization
Crude mass: 0.93 g grey solid
Crude mp: 96-106 °C
Crude % yield:
Pure mass: 0.39 g white solid
Pure mp: 111-113 °C
Pure % yield:
a) Calculate the crude and pure percent yields for the student's reaction.
b) Summarize what is indicated by the crude and pure melting points.
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