How many grams of sucrose needs to be added to 1 kg of ethan…
How many grams of sucrose needs to be added to 1 kg of ethanol to achieve a freezing point depression of 1.99 °C? Given the molal freezing point depression constant for ethanol is 1.99 °C/m, the molar mass of sucrose is 342.3 g/mol and ΔTf = -iKfm.
Read DetailsA voltaic cell has a silver bar as the cathode with a soluti…
A voltaic cell has a silver bar as the cathode with a solution containing AgNO3 surrounding the cathode. It has a copper bar as the anode with a solution containing Cu(NO3)2 surrounding the anode. The salt bridge is KCl. Where will the K+ migrate to keep electrical neutrality?
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