Acu-ni alloy is heated to 1200°c. at this temperature the alloy is 30 wt% liquid and 70wt% solid. chemical analysis of the liquid indicates that it is 20 wt% ni and chemical analysis of the solid indicates that it is 30 wt% ni. what is the overall composition of the alloy? (a) 21 wt% ni (b) 23 wt% ni (c) 25 wt% ni. (d) 27 wt% ni.*

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

How many grams of sodium chloride are in 250ml of a 2.5m naci solution

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (