A mass of 4.133 g of sodium carbonate crystall Na2CO3XH2O was heated gently and 2.533g of anhydrous compound remained .calculate value of X

your parents i think this could be it

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.

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