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    asraiblu's Avatar
    asraiblu Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Feb 26, 2007, 03:57 PM
    Conservation of mass
    Hi,
    I would like to see if I am going in the right direction with these types of problems:

    Ammonia gas and 0.365 g of hydrogen chloride gas react to give 0.535 g of solid ammonium chloride. What is the mass of ammonia that reacted?

    0.365 g HCl + mass of ammonia = 0.535 g of ammonia chloride
    mass of ammonia = 0.535 g ammonia chloride – 0.365 h HCl
    mass of ammonia = 0.17 g
    Thanks for any help!
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
    Uber Member
    		  
    #2

    Feb 27, 2007, 12:42 AM
    I think you need to take moles into account.
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