Calculate the electric current that flows through a electric heater of power 1000watt when collected with 220 volt ac supply
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We know that when you heat up calcium sulfate all the water has evaporated from it. That means that the mass of water that was initially in the sulfate is the difference in mass of the sulfate before and after the heating.
In order to <span>get a percentage by mass we simply divide this number by the initial amount of sulfate:
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In order to <span>get a percentage by mass we simply divide this number by the initial amount of sulfate:
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