How many moles of ions are present when .10 moles of the following compounds are dissolved inwater?Please help

How many moles of ions are present when .10 moles of the following compounds are dissolved in WATER?





A). K2SO4





B). Fe(NO3)3





C). Al2(SO4)3








D). NiSO4








Any help what so ever would be appreciated. Thanks!

How many moles of ions are present when .10 moles of the following compounds are dissolved inwater?Please help
a 30


b 40


c 50


d 20
Reply:it depends what volume of water you have then u can use the equation n=CxV and n= m/M





where n = number of moles


c = concentration (.10 moles)


v = Volume of water


m = mass of compound used


M = molar mass of each compound





Good luck