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    Does anyone know how to solve this please? Thanks!


    What mass of magnesium andwhat volume of 2.0 moldm-3 hydrochloric acid will berequired to produce 100 cm3 of hydrogen gas?
    Equation: Mg(s) + 2HCl(aq) à MgCl2(aq) + H2(g)
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    (Original post by cjm1998)
    Does anyone know how to solve this please? Thanks!


    What mass of magnesium andwhat volume of 2.0 moldm-3 hydrochloric acid will berequired to produce 100 cm3 of hydrogen gas?
    Equation: Mg(s) + 2HCl(aq) à MgCl2(aq) + H2(g)
    1 mol of gas at RT has a volume of 24 litres ...

    This give you any ideas?
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    (Original post by charco)
    1 mol of gas at RT has a volume of 24 litres ...

    This give you any ideas?
    So could I divide 100cm^3 by 24 to find the moles seeing as I would multiply the moles by 24 to find the volume if the moles were known?
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    (Original post by cjm1998)
    So could I divide 100cm^3 by 24 to find the moles seeing as I would multiply the moles by 24 to find the volume if the moles were known?
    100 by 24000 gives the no. of moles
 
 
 
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