Using Moles Flashcards
(4 cards)
1
Q
What is the formula triangle involving moles?
A
Mass = Moles × Mr
2
Q
If 64g of CH₄ reacts, how many moles is that?
A
Moles = 64 / 16 = 4 mol
3
Q
From CH₄ + 2O₂ → CO₂ + 2H₂O, how many moles of H₂O from 4 mol CH₄?
A
4 × 2 = 8 mol
4
Q
What is the mass of 8 mol H₂O?
A
8 × 18 = 144g
