Unicorn
What does n stand for?
n stands for number of moles
What do coefficient represent in a chemical equations?
Number of moles
What is M?
molar mass of a substance (g/mol)
What is an excess reagent?
reactant that is still present after a reaction
How do you find moles using mass?
n = m/M
How do you calculate Molar Mass?
You find the mass of the atom in the periodic table and you multiply it by the number of atoms present.
What is an alternative term for the reactant that makes the least amount of product?
Limiting reactant
What is percentage composition
% by mass of each element in a compound
What is a theoretical yield?
the mass amount of product we can produce from a given amount
What is Actual yield?
amount we actually get in a n experiment
Find the molar mass of the following K2O
94.2 g/mol
What is the molar mass of NaCl?
58.44 g/mol
Find the Molar mass of C6H12O6?
180.16 g/mol
Find the Molar mass of C7H16?
100.21 g/mol
What is the molar mass of Ca3(PO4)2?
310.18 g/mol
What is the empirical formula of C6H12O6
CH2O
Find the percentage of carbon if 0.9g of the 3g in CHO?
30% of the compound is Carbon.
What amount of ammonia, NH3, can be produced from 11 mol of hydrogen reacting with excess nitrogen: 3 H2 + N2 —> 2NH3
7.3 mol of ammonia
How many moles are in 40 g of water?
About 18 Moles
What is the Molar mass of K2CO3?
138.205 g/mol
Who is the best teacher in the school?
Your chemistry teacher
How many Moles are in 48 Grams of NaOH?
2.5 Moles
What is the percentage yield of a reaction if the actual yield is 15g and the theoretical yield is 22g
68 percent
How many grams are in 3.7 moles of Na2O?
About 61.97894 grams
What is the molar mass of AgC2H3O2?
166.91 g/mol