Concentration of the diluted solution
If you dilute 30.0 of the stock solution which has a volume of 20.4 ml to a final volume of 0.480, what will be the concentration of the diluted solution?
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a student pumped some helium gas into a balloon. when this balloon was connected to an open ended U-tube containing some oil (density=9.18 g cm-3 the oil was displaced 112 mm towards the atmosphere. what is the pressure of the helium inside this b
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