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Lesson 6: Carboxylic Acids, Esters and Organic Polymers — Picture questions (exam style)

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1.
12 g of butanoic acid is heated with excess methyl alcohol and a little conc. H₂SO₄; the yield is 60%. What mass of ester forms? (see molar masses)
12 g of butanoic acid is heated with excess methyl alcohol and a little conc. H₂SO₄; the yield is 60%. What mass of ester forms? (see molar masses)
13.9 g
9.82 g
8.35 g
7.20 g
2.
18 g of propanoic acid is heated with excess methyl alcohol and a little conc. H₂SO₄; the yield is 50%. What mass of ester forms? (see molar masses)
18 g of propanoic acid is heated with excess methyl alcohol and a little conc. H₂SO₄; the yield is 50%. What mass of ester forms? (see molar masses)
12.9 g
10.7 g
21.4 g
9.00 g
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