Asked by Mike
                Sorry, I have been stuck on this question.  I would appreciate if someone could help me out.
Approx how many mL of 0.25M BaCl2 solution would be required to precipitate all the sulfate if we assume the sample is pure sodium sulfate? Assume that the density of the barium chloride solution is 1.00g/mL. Thank you!
            
        Approx how many mL of 0.25M BaCl2 solution would be required to precipitate all the sulfate if we assume the sample is pure sodium sulfate? Assume that the density of the barium chloride solution is 1.00g/mL. Thank you!
Answers
                    Answered by
            DrBob222
            
    Na2SO4 + BaCl2 ==> BaSO4 + 2NaCl
So how much Na2SO4 do you have?
    
So how much Na2SO4 do you have?
                    Answered by
            Mike
            
    It is not stated.  The above question is all the information given.  
    
                    Answered by
            DrBob222
            
    That's why you've been stuck on this question for hours. There isn't enough information. You MUST know how much Na2SO4 there is.
This is just like asking "You're driving your car to the supermarket that's down the road 5 miles. How long will it take you to get there? Without know the speed of the car you can't calculate the time.
    
This is just like asking "You're driving your car to the supermarket that's down the road 5 miles. How long will it take you to get there? Without know the speed of the car you can't calculate the time.
                    Answered by
            Mike
            
    Well at least I don't feel so bad for not being able to figure out the problem.  Thanks for your help!
    
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