Stoichometry

Question 1

mass (g) of a given element or substance per mole

Answer 1

molar mass

Question 2

molar mass contains _______ of the element

Answer 2

6.022*10^23 atoms (1 mole)

Question 3

sum of the atomic masses of all its atoms

Answer 3

molar mass

Question 4

formula of molar mass

Answer 4

grams of a substance/number of moles of the substance

Question 5

number of moles formula

Answer 5

number of molecules/6.022*10^23 molecules/mole

Question 6

converting mass to moles formula

Answer 6

mass of atoms (g)/moles of atoms (mol)

Question 7

converting moles to mass formula

Answer 7

moles of atom(mol)*mass of atoms(g)

Question 8

the area of chemistry that deals with QUANTITATIVE relationships between reactants and products

Answer 8

stoichiometry

Question 9

a ratio between two moles of any substances involved in a chemical reaction

Answer 9

mole ratio

coefficients used in mole ratio expressions are derived from coefficients used in the balanced equation

Question 10

molecular weight formula

Answer 10

given mass/number of moles

Question 11

actual yield/ideal yield * 100

Answer 11

percent yield

Question 12

the number of atoms on the product side must be the same as the numbers on the reactant side

Answer 12

balancing chemical reactions

Question 13

fully consumed

Answer 13

limiting reagent

Question 14

types and relative number of atoms present (P205)

Answer 14

empirical formula

Question 15

types and the actual number of atoms present in a molecule (P4O10)

Answer 15

molecular formula