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11.12 How much methanol (CH3OH, in grams) can be formed from the given quantities of hydrogen? Assume excess Co. CO(g) + 2H2(
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Answer #1

equation :

CO +   2 H2 ------------------> CH3OH

              4 g                               32.0 g

a)    4 g H2 ----------------> 32.0 g CH3OH

       65.4 x 10^-3 g H2 ----------> ?? g CH3OH

CH3OH mass = 32 x 65.4 x 10^-3 / 4

                        = 0.523 g

b)

      4 g H2 ----------------> 32.0 g CH3OH

       65.4 H2 ----------> ?? g CH3OH

CH3OH mass = 32 x 65.4 / 4

                        = 523 g

c)

4 g H2 ----------------> 32.0 g CH3OH

       65.4 x 10^3 g H2 ----------> ?? g CH3OH

CH3OH mass = 32 x 65.4 x 10^3 / 4

                        = 5.23 x 10^5 g

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