What is the percent by mass of water in barium bromide tetrahydrate #BaBr_2 * 4H_2O#?

1 Answer
anor277
May 19, 2016

Approx. #20%#

Explanation:

#"Mass%" = "Mass of water"/"Mass of hydrate"xx100%#

#=# #(4xx18.0*g*mol^-1)/(369.17*g*mol^-1)xx100%=??%#

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