A sample of Co weighs 33.9 grams. Will a sample of Ca that contains the same number of atoms weigh more than 33.9 grams? (more, less): Calculate the mass of a sample of Ca that contains the same number of atoms. grams of Ca ed Submit Answer Retry Entire Group 3 more group attempts remaining How many Mg atoms are there in a 29.1 gram sample of Mg ? atoms Submit Answer Retry Entire Group 3 more group attempts remaining Molar mass of ion Formula Number of ions Mass of ion in one mole of nickel(ID sulfide g mol Cation = g/mol Ni2+ mol g = Anion 52- g/mol Formula Molar mass of ion Number of ions Mass of ion in one mole of zinc fluoride Cation Zn2+ X 9 mol = g/mol g/mol Anion g F mol H 1. How many GRAMS of chromium(III) oxide are present in 4.59 moles of this compound ? 2. How many MOLES of chromium(III) oxide are present in 1.44 grams of this compound ? w many MOLES of boron trifluoride are present in 1.46 grams of this compound ? moles. w many GRAMS of boron trifluoride are present in 1.98 moles of this compound ? grams