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denpristay [2]
3 years ago
13

A student wants to test the effect of different amounts of caffeine on the heart rate of dogs. Describe the experimental groups

in this experiment. What is the dependent variable? type of dogs amount of caffeine the heart rate number of dogs
Biology
1 answer:
RSB [31]3 years ago
3 0

Answer:

Experimental groups: type of dogs

Dependent variable: hearth rate

Independent variable: the amount of caffeine  

Explanation:

The dependent variable is the variable being measured or tested in a given study, while the independent variable isn't changed by the other variables. In this case, the heart rate is dependent on the amount of caffeine, which is then the independent variable. The experimental groups are the groups exposed to the independent variable.

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Volume of alcohol = 4 mL of alcohol

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<h3>What is a dilution factor?</h3>

A dilution factor is a ratio of the solute to solvent. It is used to express how much of the original stock solution is present in the total solution.

Given the following dilution to make:

obtain 200 ml of an isopropyl solution using the dilution ratio 1 : 20 of alcohol to water.

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In conclusion, the dilution is done using the dilution factor.

Learn more about dilution at: brainly.com/question/15900508

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Answer:

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