Reacting masses Flashcards
1
Q
what are the equations for concentration?
A
Concentration = moles (or mass) / volume
2
Q
What are the units for moles, mass, concentration and volume?
A
Moles= mol
Concentration= mol dm3- or g dm3-
Mass= g
Volume= dm3
3
Q
What is the conversion for cm3 to dm3
A
Cm3 -> Dm3
(Divide by 1000)
4
Q
How do you calculate concentration?
A
Step 1: Calculate the number of moles of the known
Step 2: Find the ratio of the known element to the unknown element/ compound
Step 3: Use the ratio find the moles of the unknown
Step 4: Calculate mass of the unknown using the equation.
5
Q
What is the conversion from m3 to cm3?
A
m3 to cm3
(x 1x10-6)
