Asked by Chloe

If a hydrate of the formula MCl * xH2O decomposes when heated to produce HCL, what change would you expect to occur when a piece of litmus paper is held in the path of the vapor released?
Answered by DrBob222
Since HCl is an acid when dissolved in water (the water probably comes off at the same time), I would expect the litmus paper to show an acid color. Do you know what that color is?
Answered by Chloe
Is it red?
Answered by DrBob222
Right you are.
Bases turn red litmus blue.
Acids turn blue litmus red.
Answered by Chloe
Thank you so much!
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