An hydrate of #BaCl_2# contains #0.750mg# of the salt, and #0.0965g# of water, how many waters in the formula #BaCl_2*n(H_2O)#?

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Answer 1 · 2017-03-21T16:36:48

#"Molar quantity"="Mass of substance"/"Molar mass of substance"#

#"Moles of barium chloride"=(0.00075*g)/(208.23*g*mol^-1)=??*mol#

#"Moles of water"=(0.0965*g)/(18.02*g*mol^-1)=7.203xx10^-6*mol#

And you can tell us the molar ratio..........

An hydrate of #BaCl_2# contains #0.750*mg# of the salt, and #0.0965*g# of water, how many waters in the formula #BaCl_2*n(H_2O)#?