How many atoms are in 3.6 moles of titanium?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes