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Chapter 1.6 The Mole
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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
The gram formula mass of a substance is the mass of
Back (Answer)
one mole of that substance
#2
Front (Question)
What is the mass of one mole of potassium oxide?
Back (Answer)
K2O (39 x 2) + (16) = 94g
#3
Front (Question)
Mole Calculations: The the M, M, FM triangle, the M at the top of the triangle stands for what?
Back (Answer)
Mass
#4
Front (Question)
How many moles are present in 25g of calcium carbonate?
Back (Answer)
CaCO3 40+12+(16x3) 100g Moles = Mass/FM 25/100 = 0.25 moles
#5
Front (Question)
MCV triangle is used to calculate
Back (Answer)
concentrations of solutions
#6
Front (Question)
What triangle would you use for this question: Calculate the concentration of a sodium hydroxide solution if 2 moles are dissolved in water to give 500cm3 of solution?
Back (Answer)
MCV
#7
Front (Question)
Balance the equation: Ca O2 —> CaO
Back (Answer)
2Ca + O2 —–> 2CaO