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To determine an element's molar mass, it is necessary to add together the weight of all of the atoms present in the sample. The atomic weight of an element is printed inside the element's box on the periodic table. The m... More »

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The molar mass of Ca (OH)2 is 74.093 grams per mole. Calcium hydroxide is a crystalline white powder at room temperature and is commonly called slaked lime. It has a high melting point of 1,076 degrees Fahrenheit and is ... More »

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The molar mass of lead is 207.2 grams/mole. The element has an atomic number of 82 and is a solid at room temperature. It can be found in period 6 and group 14 on the periodic table. More »

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The atomic theory formulated by the British chemist John Dalton proposes that atoms are indivisible particles comprising all matter; atoms of the same element share identical properties, including shape, size and mass; a... More »

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In nuclear science, a pure element is a chemical element that consists of a singular stable isotope – that is, atoms of the same element. Examples of a pure element are gold, aluminium and fluoride. More »

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Isotopes of the same element differ in the number of neutrons contained within the nucleus of the element's atoms, which causes them to differ in their atomic weights. Some isotopes are more radioactive and unstable than... More »

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To calculate the molecular weight of diethyl ether, determine the molecular formula, find the atomic weight of each atom, multiply the atomic weight the atom by the number of atoms of the element in the molecular formula... More »

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