875620
Descripción
Test por Megan McLean, actualizado hace más de 1 año
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Creado por Megan McLean
hace casi 10 años
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Pregunta 1
Pregunta
The relative atomic mass can be defined by......
Respuesta
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Average mass of one atom of an element x 12 ------------------------------------------------------------------- Mass of an atom of C12
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Average mass of one atom of an element x 12 ------------------------------------------------------------------- Mass of 1/12th of an atom of C12
Pregunta 2
Pregunta
Number of moles.....
Respuesta
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m/mr
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mr/m
Pregunta 3
Pregunta
Ideal gas equation is.....
Respuesta
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PV/T
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PV=nRT
Pregunta 4
Pregunta
How do you calculate the molecular formula?
Respuesta
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Relative mass of empirical formula ----------------------------------------------------- Relative molecular mass
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Relative molecular mass ------------------------------------------------------ Relative mass of empirical formula
Pregunta 5
Pregunta
Concentration = ...........
Respuesta
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Volume in dm --------------------------- Number of moles
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Number of moles ---------------------------- Volume in dm
Pregunta 6
Pregunta
Number of moles in solution....
Respuesta
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M x 1000 ------------- V
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M x V ---------- 1000
Pregunta 7
Pregunta
Atom Economy (%)......
Respuesta
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Mass of desired product ------------------------------------ x1000 Total mass of product
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Mass of desired product ---------------------------------- x100 Total mass of product
Pregunta 8
Pregunta
Yield of a chemical reaction......
Respuesta
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 100 Theoretical maximum number of moles or grams of the product
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 1000 Theoretical maximum number of moles or grams of the product
Pregunta 9
Pregunta
Yield of a chemical reaction......
Respuesta
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 100 Theoretical maximum number of moles or grams of the product
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The number of moles or grams of a specified product -------------------------------------------------------------------------------- x 1000 Theoretical maximum number of moles or grams of the product
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