Apply concepts hard water contains calcium
and magnesium ions. one way to soften water
is to add sodium phosphate. write complete
and net ionic equations for the reaction of these
two alkaline earth ions with aqueous sodium
phosphate.

Order the following from smallest to largest atom, electron, quark, proton, neutron, molecule, nucleus

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?