Chemistry

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how many moles of hydrogen chloride would be needed to react completely with 15g of barium carbonate

equation is given:
BaCO3 + 2HCl to BaCl2 + H2O + CO2

  • Chemistry -

    Convert 15 g BaCO3 to moles. moles = grams/molar mass

    Using the coefficients in the balanced equation, convert moles BaCO3 to moles HCl.

  • Chemistry -

    it would take 30 grams of HCl to react completely with BaCO3, since it's a 1 to 2 ratio

    30 grams of HCl = 1 mole/36 grams

    so it's .83 moles of HCl

  • Chemistry -

    Margaret gets an A for trying but an F for the answer. Chemicals react by moles, not by grams; therefore, it will NOT take 30 grams HCl nor will it take 0.83 moles HCl. The statement about it being a 1:2 ratio is correct.

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