Finding SG from volume and weight
2. Density & Specific Gravity 2.1) Specific Gravity 2.1.1) SG - General
2.1.1.1) SG from volume and weight Easy 1
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A liquid medication weighs 490 g and occupies a volume of 652.46 mL at a certain temperature. What would be the specific gravity of the product?
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lb equals 0.751 kg
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Answer: 0.751 (no unit).
- We know that, Specific Gravity (SG) of a substance is the ratio of the weight of the substance and the weight of water that occupies the volume of the substance. In order to keep it simpler, we can just divide the numbers of 'weight in gram' by the 'volume in ml'.
- We can write: SG of the substance = 490/652.46 = 0.751
| SG = | Weight in grams → 490 |
| Volume in mL → 652.46 |