Measurements Flashcards

1
Q

k is what

A

Kilo, x10^3

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2
Q

c is what

A

centi, 10x^-2

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3
Q

m is what

A

milli, 10^-3

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4
Q

μ is what

A

micro, x10^-6

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5
Q

n is what

A

nano, x10^-9

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6
Q

Molarity is what

A

1 mole of solute/ 1 liter of solution

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7
Q

mass fraction is what

A

Mass % = g solute/ g solution x100%

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8
Q

parts per thousand is what

A

(ppth) = g solute/ g solution x 1000

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9
Q

what is parts per million by mass

A

(ppm) g solute/ g solution x 1000000

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10
Q

what is parts per billion by mass

A

(ppb) g solute/ g solution x 1000000000

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11
Q

What is the difference between molarity and formality

A

molarity is the concentration of a specific molecular species

formality is the concentration of the initial compound or substance

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12
Q

molality is

A

mole solute/ kilograms solvent

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13
Q

weight percent (w/w%)

A

grams solute/ 100 grams solution

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13
Q

volume percent

A

mL solute/ mL solution x 100

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13
Q

weight to volume percent

A

grams solute /100mL solution (x100)

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14
Q

parts per million

A

grams solute /10^6 grams solution

14
Q

parts per billion

A

grams solute / 10^9 grams solution

15
Q

what can ppm be converted to?

A

mg/L, ug/g, ug/mL

16
Q

what can ppb be converted to?

A

ng/g, ug/L, ng/mL