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tia_tia [17]
3 years ago
14

How would you choose which method to separate a mixture?

Chemistry
1 answer:
Helga [31]3 years ago
7 0
Depends on what you want to separate 
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What does the "R-" represent?
lozanna [386]

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<em><u>general formula RCOX, where R represents an alkyl or aryl organic radical group, CO ... represents a halogen atom such as chlorine ... loss of a hydroxyl group (-OH), viz, acetyl,. CH, CO- ..</u></em>

8 0
2 years ago
Conociendo el volumen de la solución y la masa del soluto y su masa molar, ¿qué concentración es posible determinar
NISA [10]

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Conociendo el volumen de solución, masa de soluto y su masa molar, es posible determinar: B) Concentración molar

La molaridad es la relación entre el número de moles de soluto y los litros de solución. Más:

M = No moles de solución de soluto / volumen (L)

Y a su vez los moles de soluto se encuentran por:

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8 0
3 years ago
The active form of vitamin D is called ________.
alexandr1967 [171]
<span>Calcitriol </span>is the active form of vitamin D. (D)
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3 years ago
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Calculate the molality of a solution prepared by dissolving 175 g of KNO3 in 750 g of water. (round to nearest hundreth)
Wittaler [7]
We will get the molality from this formula:
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So first we need the no.of moles of KNO3 = the mass of KNO3 / molar mass of KNO3
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By substitution in the molality formula:
∴ molality = 1.73 / (750/1000) = 2.3 Molal

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3 years ago
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