Asked by rose
a 5.00g sample of a hydrate of barium chloride was heated, and only 4.30g of the anhydrous salt remained. what is the formula of the hydrate?
Answers
Answered by
bobpursley
how many moles of BaCl2 is in 4.3g?
how many moles of H2O is in .70g?
now look at the ratio. If there were 7 times as many moles of water as BaCl2, the formula would have been BaCl2.7H2O
how many moles of H2O is in .70g?
now look at the ratio. If there were 7 times as many moles of water as BaCl2, the formula would have been BaCl2.7H2O
Answered by
rose
thanks!!
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