Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
6 Cards in this Set
- Front
- Back
|
How to calculate the concentration of a solution |
C=n/v |
|
|
How to calculate percentage purity |
1. Determine moles of products 2. Determine ratio of reactants and products using balanced equation 3. Using the ratio determine moles of products 4. Determine mass of pure reactant 5. Calculate %purity= mass of pure/ mass of impure *100 |
|
|
What is the SI unit for concentration, mass, volume, and moles |
Concentration(c)- mol.dm-³ volume(v)- m³ mass(m)- kg moles(n)- mol |
|
|
How to calculate the empirical formula |
1.Determine the mass of the elements 2.Determine mole of each substance 3.Simplify the atomic ratio by dividing by the smallest number in ratio |
|
|
How to calculate molecular formula |
1.Determine empirical formula 2.Determine molar mass of empirical formula 3.Determine the ratio between molecular formula and empirical formula 4.Multiply ratio into the empirical formula |
|
|
How to calculate percentage yield |
1. Determine moles of reactants2. Determine ratio of reactants and products using balanced equation3. Using the ratio determine moles of products4. Determine mass 5. Divide by given mass multiply by 100 Mass-produced/ theoretical *100 |
