Number of millimoles in 1.0 grams of water
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Answer:
How many grams Water in 1 mol? The answer is 18.01528. We assume you are converting between grams Water and mole. You can view more details on each measurement unit: molecular weight of Water or mol The molecular formula for Water is H2O. The SI base unit for amount of substance is the mole. 1 grams Water is equal to 0.055508435061792 mole. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between grams Water and mole. Type in your own numbers in the form to convert the units!
1 grams Water to mol = 0.05551 mol
10 grams Water to mol = 0.55508 mol
20 grams Water to mol = 1.11017 mol
30 grams Water to mol = 1.66525 mol
40 grams Water to mol = 2.22034 mol
50 grams Water to mol = 2.77542 mol
100 grams Water to mol = 5.55084 mol
200 grams Water to mol = 11.10169 mol
The simplest way is to know two things about the object: (1) its chemical composition and (2) its mass. This is the sort of calculation you will learn to do in high school chemistry. As an example, let's say we have a very tiny drop of water, say 1 microliter, which would have a mass of 0.001 grams. The chemical formula for water is H2O which means that every molecule of water has 2 atoms of hydrogen (H) and one atom of oxygen (O). Here comes the key part. From the Periodic Table of Elements, one sees that one mole of hydrogen atoms weighs 1 gram while one mole of oxygen atoms weighs 16 grams. What is this mole thing? A mole is a convenient counting unit whenever one is dealing with numbers of atoms or molecules. It is equal to Avogadro's number (NA), namely 6.022 x1023. If we have one mole of water, then we know that it will have a mass of 2 grams (for 2 moles of H atoms) + 16 grams (for one mole O atom) = 18 grams. Since we only have 0.001 grams, that means that we have NA * (0.001/18) = 3.35*1019 molecules of water! This is a huge number, even though we only started with a tiny amount of water.
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Answer : 55.55 → millimoles