MOLES
the volume of 99 mole of H2 gas at STP
what is 2,217 L H2
the percentage of hydrogen in OH
the mass of carbon in 82 g of C3H8
what is 67 g of C
a substance is made of 32.8 % Cr and 67.2% Cl
what is CrCl3
empirical formula is C2H8N and a molar mass of 46 g
what is C2H8N
the number of molecules of 5.72 x 102 L of CO at STP
the percentage of oxygen in NaOH
what is 40.0%
the mass of hydrogen in 2.14 g of NH4Cl
what is 0.16 g of hydrogen
which of the following is an empirical formula
MgO OR Mg5O5
what is MgO
empirical formula of C2OH4 and a molar mass of 88 g
what is C4O2H8
the number of moles in 2.80 x 1024 atoms of silicon
what is 4.65 mol Si
the percentage of nitrogen in dinitrogen disulfide
what is 30.4%
the mass of oxygen in 90 g of Cl2O
what is 16.7 g of oxygen
a substance is made of 40% carbon, 6.7% hydrogen, and 53.3% oxygen
what is CH2O
compound with an empirical formula of C4H4O and a molar mass of 136 grams
what is C8H8O2
the number of liters in 2.5 g N2
what is 2.0 L N2
the percentage of hydrogen in (NH4)2S
what is 11.7%
the mass of nitrogen in 125 grams of CO(NH2)2
what is 58.3 g of nitrogen
nicotine is 74.1% carbon, 8.6% hydrogen, and 17.3% nitrogen
what is C5H7N
a compound with an empirical formula of CFBrO and a molar mass of 253.8 grams
what is C2F2Br2O
the number of sulfur atoms in 12.3 g S
what is 2.31 x 1023 atoms S
the percentage of sulfur in aluminum sulfate
the mass of hydrogen in 124 g of Ca(C2H3O2)2
what is 4.7 g of hydrogen
0.0130 mol C; 0.0390 mol H; 0.0065 mol O
what is C2H6O
a well-known reagent in analytical chemistry, demethyl-gloxine, has an empirical formula of C2H4NO and a molar mass of 116.1 grams
what is C4H8N2O2