Molecular Mass

# What is the gram molecular mass of water?

A molecule of water has one oxygen atom and two hydrogen atoms. Their atomic masses are 16 and 1 respectively. Therefore the GMM of water is 16+2x1=18g.

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18.01 g/mol

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## Related Questions

A gram of a molecular substance is the quantity that will have a mass of 1 gram.

The gram molecular mass for oxygen is 16.0 grams. (The molecular mass is simply another term for the atomic mass number in the periodic table of elements.)

The molecular mass of sodium chloride is 58,43976928.

The gram molecular mass of chlorine is 35.4*2 because chlorine is a diatomic element

The molecular mass of C2H6 is 30.07 g/mole

The atomic mass of phosphurus is 31. The atomic mass of chlorine is 35.5. Therefore, the gram molecular mass of PCl3 is 31+3x35.5=137.5 grams per mole.

The molar mass of phosphite ion is 79. The given compound has three protons attached to it. Therefore its gram molecular mass is 82g.

A gram mole is defined as the mass of a substance which is numerically equal to its molecular mass expressed in gram. It is also called molecular mass &amp; denoted by M. The unit for gram-mole is gram per mole [g/mol].

Phosphorus is an element. It forms a molecule with four atoms. Its gram molecular mass is 31x4=124 grams per mole.

Atomic weight: the atomic weight of an chemical element, in atomic mass units or gram atomic mass Atomic mass: the atomic mass of an isotope, in atomic mass units or gram atomic mass Molecular mass: the mass of a molecule, in atomic mass units or gram molecular mass

The a.m.u. is defined as the fraction of 1/12 of an atom of the carbon-12 isotope. The value is pretty nearer to the mass of a hydrogen atom. Therefore, in every compound, the gram molecular weight is numerically equal to the molecular mass in atomic mass units. Therefore the gram molecular weight of NaOH is 40 g/mol.

One gram atomic mass of calcium reacts with two gram molecular masses of hydrochloric acid to form one gram formula mass of calcium chloride and one gram molecular mass of diatomic hydrogen gas.

The atomic mass of lithium is 7. The atomic mass of the bromide ion is 80. Therefore the molecular mass is 87u.

it can be calculated using the formula percentage composition of N =Gram molecular mass of nitrogen in the compound/ Gram molecular mass of compound *100

The molecular mass of sodium chloride is 58,44 g.

The balanced equation for the reaction is O2 + 2 H2 -&gt; 2 H2O. The gram molecular mass of O2 is 2 X 15.9994, and the gram molecular mass of water is 18.015928. Therefore, the mass of water produced will have a ratio to the mass of oxygen reacted of [2(18.015928)/2(15.9994)] or about 1.126, and the amount of water produced will be 18.5 grams, to the justified number of significant digits.

moles divided by grams gives the inverse of molecular weight, which i have never come across. number of moles = mass / molecular mass. molecular mass is grams per mole

This molecule has three Cl atoms and one P atom. Their atimic masses are 35 and 31 respectively. The gram molecular mass for this compound is 31+35x3=136.

The gram molecular mass of the molecule must be measured by some independent method such as freezing point depression or boiling point elevation. Then the factor by which to multiply all of the subscripts in the empirical formula to get the molecular formula is the closest integer to the ratio of gram molecular mass to the gram molecular mass of a single unit of the empirical formula.

The atomic mass of sodium is 23. The molecular mass of oxychloride ion is 51.5. Therefore, molar mass of the compound is 74.5 grams per mole.

Relative molecular mass is obtained by summing up the atomic masses of atoms in the formula. The gram molecular mass denotes the mass of a mole of the substance in grams. Both of them are same in number.

The short answer is: 60.05 g/mol. Water, in comparison, has a molecular weight of approximately 18 g/mol. Please note, there is a difference between "molecular mass" and "molar mass." Molar mass is typically used when describing bulk properties. Molecular mass is often reserved to describe molecules. G/mol is molar mass. More information on how molecular weights are calculated can be found at the link below.

###### Molecular MassIslamElements and CompoundsChemistryAtomic MassSalt (Sodium Chloride) Copyright © 2021 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.