Molar mass = (" Weight of the substance x Molar volume")/("Volume of the substance at STP") Molar volume at STP = 2.24 xx 10^(2)m^(3) = 22.4 L (or) 22400 cc. Molar mass of the gas at STP = (23.2xx22.4)/20 = 25.984 g .
The molar mass of water is equivalent to the mass of one mole of water molecules. One mole is a scientific form of measurement in chemistry. Elements need to have equal amounts of protons and electrons to be stable, but they can vary in the amount of neutrons they contain. The amount o...
It is expressed in units of grams per mole. Molar mass is depicted for elements or molecules. In the case of single elements or individual atoms, the molar mass would just be the element's mass expressed in atomic mass units. In other words, the atomic mass and the molar mass of an ...
AlfredRudin,PhillipChoi, inThe Elements of Polymer Science & Engineering (Third Edition), 2013 8.14.2High-Conversion Polymerization Molecular weight distributions in high-conversion polymerizations are not nearly as predictable as those in low-conversion reactions, and they will vary with the particular...
In order to normalize the polymer property with its molar mass the intrinsic viscosity is determined by extrapolation of reduced viscosity to zero mass concentration [6]. We may now establish an activity coefficient relative to the extreme value. Assume that disintegration of the stacked asphaltene ...
The formula mass for this compound is computed by adding the average atomic masses of its constituent elements: When computing the formula mass of an ionic compound, the average masses of neutral sodium and chlorine atoms were used, rather than the masses for sodium cations and chloride ani...
1. What is the molar mass of NaOH? 38 g/mol 39.997 g/mol 44 g/mol 23 g/mol 2. What is the molar mass of Na2CO3? 104 g/mol 180 g/mol 106 g/mol 120 g/mol Create your account to access this entire worksheet A Premium account gives you access to all lesson, practi...
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massArr['H' - 'A'] = 1.008;// H 的原子量 massArr['O' - 'A'] = 16.00;// O 的原子量 massArr['N' - 'A'] = 14.01;// N 的原子量 Scanner input = new Scanner(System.in); int n = input.nextInt(); for(int i = 0; i < n; i++) { ...
What is the molar mass of sucrose? Calculating the Molar Mass of a Compound: In order to calculate the molar mass of any compound, we only need to know what elements are contained in the compound and what the molar mass of the elements are. ...