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September 21, 2014

Homework Help: chemistry

Posted by Ben on Saturday, October 19, 2013 at 10:56pm.

5.34g of salt of formula M2SO4 (M is a metal)were dissolved in water. The sulfate ion was precipitated by adding excess barium chloride solution when 4.66g of barium sulfate (BaSO4) were obtained.

a)How many moles of sulfate ion were precipitated as barium sulfate?

b)How many moles of M2SO4 were in the solution?

c)What is the formula mass of M2SO4?

d)What is the RAM of M? Identify M.

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