The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. So, the average atomic mass of chlorine = 35.4527 u . The atomic mass is the mass of an atom. Chlorine (atomic number 17) is a yellowish-green toxic gas. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. This is approximately the sum of the number of protons and neutrons in the nucleus. Relative atomic mass The mass of an atom relative to that of carbon-12. 1 grams Chlorine is equal to 0.028206357713029 mole. Note that rounding errors may occur, so always check … ››More information on molar mass and molecular weight. Where more than one isotope exists, the value given is the abundance weighted average. Naturally occurring isotopes This table shows information about naturally occuring isotopes , their atomic masses , their natural abundances , their nuclear spins , and their magnetic moments . Density is the mass of a substance that would fill 1 cm 3 at room temperature. Chlorine -35 is about 3 times more abundant than chlorine – 37, the weighted average is closer to 35 than 37. The average atomic mass of the given sample of chlorine is 35.46 u. The SI base unit for amount of substance is the mole. Previous Question Next Question. Following its 1967 discussion of Ag, Cl, and Br, which were important in the chemical determination Isotopes The molecular formula for Chlorine is Cl. The atomic weight of chlorine given on the periodic table is 35.47 u. Different isotopes have different relative abundances,chlorine – 35 has a relative abundance of 75.76%,whereas chlorine – 37 has a relative abundance of 24.24%. Chlorine In 1961, the Commission recommended Ar(Cl) = 35.453(1), based on the atomic weight of silver and on Ag/AgCl equivalent ratios determined chemically by many well-known authorities. Both Chlorine isotopes, Cl-35 and Cl-37, are used to study the toxicity of environmental pollutant and are usually supplied in the form of NaCl. Large amounts of chlorine are used in many industrial processes, such as in the production of paper products, plastics, dyes, textiles, medicines, … About one quarter of all chlorine atoms have 20 neutrons, giving those atoms a mass number of 37. (ii) 1 mole of carbon is burnt in 16 g of dioxygen. Given the information that 75.7771% of … Chlorine is commonly used as an antiseptic and is used to make drinking water safe and to treat swimming pools. Popular Questions of Class Chemistry. Q:-Calculate the amount of carbon dioxide that could be produced when (i) 1 mole of carbon is burnt in air. 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