Maple syrup is not a pure substance. It is a complex mixture of sugars and other materials that provide flavor and texture, and are what is left after removing a lot, but not all, of the water from the sap of the sugar maple tree.
Maple syrup is a homogeneous mixture because it is made up of a single phase where the components are uniformly distributed throughout. It is a combination of sugars, water, and other compounds that have dissolved together to form a consistent liquid.
This is a mixture.
A pure material is called a substance. It is a form of matter that has uniform and definite composition, with distinct physical and chemical properties.
homogeneous
Only if you have pure water in mind, then: 1 milliliter of pure water weigh 1 gram or 1000 milligrams. 0.001 milliliters of pure water weigh 1 milligram. Forget syrup, oil, or cat medication. For that calculations you need the specific weight (density) of the material.
Pure maple syrup doesn't contain salt.
Pure maple syrup is labeled as such and can be found at most grocery stores in the pancake and syrup aisle.
Both pure maple syrup and table syrups are predominantly sugar, however maple syrup is made simply by boiling down sap of maple trees. Pure maple syrup does not contain any thickening agents, artificial colors or flavors, or preservatives. In terms of nutrition, pure maple syrup does contain higher levels some nutrients, and some antioxidant compounds, and has a slightly lower caloric content than most table syrups.
yes.
Pure maple syrup, because it is all natural.
...then approximately three gallons of pure syrup remains.
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No. Pure maple syrup is made from the sap of sugar maple trees--nothing else. There are various manufactured products labeled "pancake syrup" that have other ingredients. Those are not maple syrup.
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True. By most laws and regulations, pure maple syrup must be produced simply by concentrating (by boiling or reverse osmosis/boiling) pure maple sap.
bad
no