limiting reagent/molar ratio
What is the functional group of alcohols
-OH
What do you need to find the mass if you have the mol
RFM
True or false: the molecular formula is the simplified version of the empirical formula
False (it’s the opposite)
Percentage yield formula
Bye
Bye
What is the 3rd member of alkenes
Butene
How do you find concentration
Mol/vol
How to find the number to multiply the empirical formula by to find the molecular formula
Relative molecular mass/RFM
A reaction should produce 10 g of product, but only 8 g is made. Calculate the percentage yield.
80%
Make sure to study for the chem final
Ok
What is the skeletal formula of ethanol
(Drawing)
Definition of limiting reagent
Reactant that is used up first and controls the product
A compound contains 2 carbon atoms and 6 hydrogen atoms. Empirical formula?
CH3
A 10.0 g sample of impure sodium chloride contains 8.50 g of pure sodium chloride. Calculate the percentage purity.
85%
Are you tired
Yeah
Draw the display formula of the 4th member of the carboxylic acid group
(Drawing)
What is the molar ratio between H2 and O2 in the reaction 2H2 + O2 -> 2H2O
2:1
A compound contains 52.2% C, 13% H, 34.8% O. Find the empirical formula of the compound. If the molar mass of the compound is 92 g/mol, find the molecular formula.
Empirical: C2H6O
Molecular: C4H12O2
A 5.00 g sample of impure sodium chloride contains 4.35 g of pure sodium chloride. Find the percentage purity.
87%
How is your day?
Good
What is the general formula for carboxylic acid?
CnH2n+1COOH
If 6 mol of N2 reacts with excess H2 in the reaction: N2 + 3H2 -> 2NH3, how many moles of NH3 produced?
12 mol
A compound contains 40% C, 6.7% H, 53.3 % O, its relative molecular mass is 180. Find empirical formula and molecular formula.
Empirical formula: CH2O
Molecular formula: C6H12O6
Percentage composition of nitrogen AgNO3
8.24%
Hi
Hi