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nintendogamer91
Lv 4
nintendogamer91 asked in Science & MathematicsChemistry · 1 decade ago

How many grams produced in solution?

If 5.45g of copper was reacted with 20.0mL of 16M Nitric acid (HNO3), how many grams of Cu(NO3)2 will be produced in solution?

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  • Dr.A
    Lv 7
    1 decade ago
    Favorite Answer

    moles copper = 5.45 / 63.546 g/mol=0.0857

    moles HNO3 = 0.0200 L x 16 M=0.320

    Cu + 2 HNO3 = Cu(NO3)2 + H2

    HNO3 is in excess

    moles Cu(NO3)2 = 0.0857

    mass Cu(NO3)2 = 0.0857 x 187.56 g/mol=16.1 g

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