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LABORATORY MATHEMATICS

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

Most common type of solution prepared in clinical laboratory Refers to the number of grams of solute per 100 mL of solution

Back (Answer)

Weight/Volume (w/v) % solutions

#2
Front (Question)

Formula for w/v%

Back (Answer)

w/v% = [weight of solute (g)/ volume of solution (mL)] x 100

#3
Front (Question)

Used when both solute and solvents are liquid Refers to the amount of solute in mL in 100 mL of solvent

Back (Answer)

Volume/Volume (v/v)% solutions

#4
Front (Question)

Formula of (v/v)%

Back (Answer)

v/v% = [volume of solute (mL)/ volume of solution (mL)] x 100

#5
Front (Question)

Number of grams of solute per 100 grams of solution

Back (Answer)

Weight/Weight (w/w)% solutions

#6
Front (Question)

Formula of w/w%

Back (Answer)

w/w% = [(mass of solute in g/ mass of solution in g)] x 100

#7
Front (Question)

Number of moles of solute per liter of solution

Back (Answer)

Molarity

#8
Front (Question)

Formula of Molarity

Back (Answer)

M = moles of solute (mol)/ Liters of solution (L)

#9
Front (Question)

To prepare a molar solution

Back (Answer)

Grams of solute = Molarity x GMW of the solute x Volume (L)

#10
Front (Question)

To convert %w/v to Molarity

Back (Answer)

M = %w/v x 10 /GMW

#11
Front (Question)

Number of equivalent weight of solute per liter of solution Often been used in acid-base calculations

Back (Answer)

Normality = Grams of solute/ EW x Volume (L)

#12
Front (Question)

Formula of Equivalent Weight

Back (Answer)

EW = MW/valence

#13
Front (Question)

To prepare a normal solution of Solids

Back (Answer)

Grams of solute = EW x Normality x Volime (L)

#14
Front (Question)

To convert %w/v to Normality (N)

Back (Answer)

N = %w/v x 10 / EW

#15
Front (Question)

Formula of Normality

Back (Answer)

Normality = Molarity x Valence

#16
Front (Question)

Formula of Molarity from Normality

Back (Answer)

Molarity = Normality

#17
Front (Question)

Amount of solute per 1 kilogram of solvent Expressed in terms of weight/weight or moles per kilogram

Back (Answer)

Molality

#18
Front (Question)

Formula of Molality

Back (Answer)

Molality = grams of solute/ MW x kg of solvent

#19
Front (Question)

Formula of Mean

Back (Answer)

Mean = Sum of All Data Points/ Numberof Data Points

#20
Front (Question)

Formula of SD

Back (Answer)

SD = sqrt.// (Sum of ((Xi - Mean)) squared / Number of Values in data set//

#21
Front (Question)

Dilution Formula

Back (Answer)

Dilution = Volume of solute/ Volume of solution

#22
Front (Question)

Temperature Conversion C to K

Back (Answer)

C + 273

#23
Front (Question)

Temperature Conversion C to F

Back (Answer)

(C x 1.8) + 32

#24
Front (Question)

Temperature Conversion F to C

Back (Answer)

(F - 32) x 0.556