SmartServe Ontario Practice Exam

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How many ounces would it take for a drink containing 40% alcohol to equal a Standard Drink?

1 oz
1.5 oz
2 oz
2.5 oz

The correct answer is: 1.5 oz

To determine how many ounces it takes for a drink containing 40% alcohol to equal a standard drink, it's important to know what constitutes a standard drink. In Ontario, a standard drink is defined as containing approximately 14 grams of pure alcohol. Since the drink in question is 40% alcohol by volume, this means that in one ounce (which weighs about 29.57 grams), there would be approximately 11.79 grams of alcohol (40% of 29.57 grams). To find out how many ounces it would take to reach 14 grams of alcohol, you can set up a proportion. Typically, it calculates out to around 1.5 ounces for a beverage with this alcohol percentage to contain the equivalent of a standard drink. This context helps clarify why the correct amount is 1.5 ounces; it allows the drinker to understand the relationship between volume and alcohol content, ensuring responsible consumption.