Potassium is a very flammable metal if it comes in to contact with water. As it burns with the water it creates potassium hydroxide (#KOH#) If you separate the potassium out from 50 grams of #KOH#, how many grams of potassium would you have?

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Answer 1 · 2016-08-31T07:56:19

You would have the same mass of potassium as you started with!! Mass is conserved.

#"Moles of potassium hydroxide"# #=# #(50*g)/(56.11*g*mol^-1)#

#"Mass of potassium metal"# #=# #(50*g)/(56.11*g*mol^-1)xx39.10*g*mol^-1#

#~=# #??g#