Molar Calculations Flashcards
Calculate the molar mass of neon gas, Ne.
20.18 g/mol
Convert 7.11 grams of neon gas, Ne, to number of atoms.
2.12 × 10^23 atoms
Convert 7.11 × 1021 atoms of neon gas, Ne, to grams.
0.238 g
Calculate the molar mass of phosphorus trihydride, PH3.
33.99 g/mol
Convert 2.431 grams of phosphorus trihydride, PH3, to number of molecules.
4.307 × 10^22 molecules
Convert 2.431 grams of phosphorus trihydride, PH3, to number of each type of atom.
P: 4.307 × 10^22 atoms
H: 1.292 × 10^23 atoms
Convert 2.431 × 1021 molecules of phosphorus trihydride, PH3, to grams.
0.1372 g
Calculate the molar mass of potassium sulfide, K2S.
110.26 g/mol
Convert 0.625 grams of potassium sulfide, K2S, to number of molecules.
3.41 × 10^21 molecules
Convert 0.625 grams of potassium sulfide, K2S, to number of each type of atom.
K: 6.83 × 10^21 atoms
S: 3.41 × 10^21 atoms
Convert 6.25 × 1028 molecules of potassium sulfide, K2S, to grams.
11,400,000 g
Calculate the molar mass of glucose, C6H12O6.
180.16 g/mol
Convert 1.50 grams of glucose, C6H12O6, to number of molecules.
5.01 × 10^21 molecules
Convert 1.50 grams of glucose, C6H12O6, to number of each type of atom.
C: 3.01 × 10^22 atoms
H: 6.02 × 10^22 atoms
O: 3.01 × 10^22 atoms
Convert 1.50 × 1021 molecules of glucose, C6H12O6, to grams.
0.449 g
Calculate the molar mass of progesterone, C21H30O2 (a female hormone).
314.45 g/mol
Convert 25.00 grams of progesterone, C21H30O2 (a female hormone), to number of molecules.
4.788 × 10^22 molecules
Convert 25.00 grams of progesterone, C21H30O2 (a female hormone), to number of each type of atom.
C: 1.005 × 10^24 atoms
H: 1.436 × 10^24 atoms
O: 9.575 × 10^22 atoms
Convert 2.500 × 1020 molecules of progesterone, C21H30O2 (a female hormone), to grams.
0.1305 g
