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Is 1mL Equal to 1 Gram? Understanding Volume vs Weight

Learn why 1mL is not always equal to 1 gram and how substance density affects the conversion between volume and weight.

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Video transcript

No, 1mL is not automatically equivalent to 1 gram. 1mL measures volume, while 1 gram measures weight. The relationship between them depends on the substance's density. For example, 1mL of water equals 1 gram, but 1mL of oil is less than a gram.

Questions and answers

  1. Why is 1mL not always equal to 1 gram?

    Because 1mL measures volume and 1 gram measures weight, their equivalence depends on a substance's density. Different materials have different densities, so 1mL can weigh more or less than 1 gram.

  2. How can I convert milliliters to grams accurately?

    To convert milliliters to grams, you need to know the density of the substance. Multiply the volume in milliliters by the density (grams per milliliter) to get the weight in grams.

  3. Is the conversion between mL and grams the same for all liquids?

    No, the conversion varies because each liquid has a unique density. For example, water has a density close to 1g/mL, so 1mL equals 1 gram, but oil is less dense, so 1mL weighs less than 1 gram.

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