A stock solution is made by dissolving 66.05 g of (NH4)2SO4 in enough water to make 250 mL of solution. A 10.0 mL sample of this
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<span>Halflife is the time needed for a radioactive molecule to decay half of its current mass. If t is the time elapsed, the formula for the halflife would be:
final mass= original mass * </span>
<span>
If you put the information of the problem into the formula, the equation will be:
</span>final mass= original mass *
final mass= 800g *
final mass= original mass * </span>
<span>
If you put the information of the problem into the formula, the equation will be:
</span>final mass= original mass *
final mass= 800g *