Question
Which measurement is more precise 4.0g or 4.00g?
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$\text{CH}_3-\text{CH}_2-\text{CH}_2-\text{CH}_2-\text{C}\equiv\text{C}-\text{CH}_2-\text{CH}_2-\text{CH}_2\\-\text{CH}_3\xrightarrow{?}\text{CH}_3-\text{CH}_2-\text{CH}_2-\text{CH}_2-\\\text{C}=\text{C}-\text{CH}_2-\text{CH}_2-\text{CH}_2-\text{CH}_3\\ \ | \ \ \ \ \ \ \ |\\ \text{H} \ \ \ \ \ \text{H}$
CH3CH2I + KOH(aq) → CH3CH2OH + KI