1. Write in 4 ways the formation of Mg3(PO4)2. ( I think it goes like this: acid + base --》salt and water, metal + nonmetal --》salt, metal + acid --》salt and hydrogen...) 2. What are the concentrations of Na(+) and SO4(2-) ion in a solution containing 1.42g of dissolved Na2SO4 in 500ml, assuming the dissociation is complete.​

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You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.