PLEASE HELP CHEMISTRY A chemist makes 690. mL of zinc oxide (ZNC2O4) working solution by adding distilled water to 290. ML of a 0.00000934 mol/L stock solution of zinc oxalate in water
Calculate the concentration of the chemist working solution

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ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.