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March 26, 2017

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A .055 gram sample of aluminum hydroxide is reacted with .200M hydrochloric acid. How many mL of the acid are needed to neutralize the aluminum hydroxide?

  • chemistry - ,

    1. Write and balance the equation.
    2. Convert 0.055 g Al(OH)3 to moles. moles = grams/molar mass.
    3. Using the coefficients in the balanced equation, convert moles Al to moles HCl.
    4. Molarity = moles HCl/L of HCl.
    You know moles HCl and Molarity; calculate L of HCl.

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