The formula mass of glycerol has to be calculated. Concept Introduction: Formula mass: Formula mass of a compound is the sum of the atomic masses of all atoms in the compound. It is expressed in amu .
The formula mass of glycerol has to be calculated. Concept Introduction: Formula mass: Formula mass of a compound is the sum of the atomic masses of all atoms in the compound. It is expressed in amu .
Definition Definition Number of atoms/molecules present in one mole of any substance. Avogadro's number is a constant. Its value is 6.02214076 × 10 23 per mole.
Chapter 4, Problem 4.108QP
(a)
Interpretation Introduction
Interpretation:
The formula mass of glycerol has to be calculated.
Concept Introduction:
Formula mass:
Formula mass of a compound is the sum of the atomic masses of all atoms in the compound. It is expressed in amu.
(b)
Interpretation Introduction
Interpretation:
The number of oxygen atoms present in one mole of glycerol compound has to be calculated.
(c)
Interpretation Introduction
Interpretation:
The amount of oxygen present in one mole of glycerol compound has to be calculated.
Concept Introduction:
Mass:
Mass of the compound is calculated by mole of the compound multiplied with molar mass of the compound.
Mass=Molarmass×mole
(d)
Interpretation Introduction
Interpretation:
The amount of oxygen present in 50.0 g of glycerol compound has to be calculated.
Concept Introduction:
Moles:
Mole of the substance is found by dividing the mass of the substance by its molar mass.
Using the following two half-reactions, determine the pH range in which $NO_2^-\ (aq)$ cannot be found as the predominant chemical species in water.* $NO_3^-(aq)+10H^+(aq)+8e^-\rightarrow NH_4^+(aq)+3H_2O(l),\ pE^{\circ}=14.88$* $NO_2^-(aq)+8H^+(aq)+6e^-\rightarrow NH_4^+(aq)+2H_2O(l),\ pE^{\circ}=15.08$
Indicate characteristics of oxodec acid.
What is the final product when hexanedioic acid reacts with 1º PCl5 and 2º NH3.
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Step by Step Stoichiometry Practice Problems | How to Pass ChemistryMole Conversions Made Easy: How to Convert Between Grams and Moles; Author: Ketzbook;https://www.youtube.com/watch?v=b2raanVWU6c;License: Standard YouTube License, CC-BY