## Algebra 31 – Calculating Mixtures of Solutions

Hello. I’m Professor Von Schmohawk and welcome to Why U. In the previous chapter we saw how Algebra can be used to solve various types of percentage problems including “percentage change” and “profit and loss”. In this chapter we will… Continue Reading

## Distinguishing Between Solutions – MeitY OLabs

Distinguishing between Solutions Identification of true solution: Take 10g fine powdered Alum, Sugar and Common Salt in three separate watch glasses. Preparation of a true solution of common salt in water Put the fine powdered salt in a beaker containing… Continue Reading

## Determination of Concentration of KMnO4 Solution – MeitY OLabs

Determination concentration of KMnO4 solution Using Ferrous ammonium sulphate Preparation of Standard Solution of Mohr’s Salt or Ferrous ammonium sulphate We require 250ml conical flask, 250ml standard flask, Mohr’s salt crystals, 250ml beaker, distilled water, funnel, weighing bottle, electronic balance,… Continue Reading

## Diluting a Concentrated Solution

Edvotek instructional videos – Diluting a concentrated solution. Dilution is a technique used to decrease the concentration of a solution by adding water or another solvent. For this technique you will need: a concentrated solution distilled water and graduated cylinders.… Continue Reading

## Solution to an Equilibrium Problem

Let’s solve the kind of equilibrium problem that sometimes gives students a tremendous amount of pain. Let me explain what I mean: you’re just given an equilibrium constant and a chemical system and told to find the equilibrium concentrations under… Continue Reading

## How to Do Solution Stoichiometry Using Molarity as a Conversion Factor | How to Pass Chemistry

Molarity is just another word for concentration. The formula for molarity is equal to the moles of your solute, divided by the liters of your solution. Now molarity can be used as a conversion factor because it has two different… Continue Reading

## Calculating Ion Concentrations in Solution

Hey it’s professor Dave, let’s learn how to calculate ion concentrations. We know how to do stoichiometric calculations, so let’s apply our knowledge to a specific task. We want to be able to calculate the concentration of various ions in… Continue Reading

## Mass Percent of a Solution Made Easy: How to Calculate Mass % or Make a Specific Concentration

Welcome to Mass Percent Made Easy, brought to you by Ketzbook In this video, we are going to learn how to calculate the mass percent of a solution and how to calculate the mass of the solute or solvent if… Continue Reading

## Determination of Concentration of KMnO4 Solution Using Oxalic Acid – MeitY OLabs

Determination of concentration of KMnO4 solution using Oxalic acid Titration is a common laboratory technique, used to determine the unknown concentration of a given solution. In this titration, the strength of the given potassium permanganate is determined by titrating it… Continue Reading

## Musique pour dormir. La solution aux troubles du sommeil

music for deep sleep Music to sleep natural solution to sleep disorders Delta waves to sleep deeply Super effective for adults and children Listen to this music to relax and sleep quickly Let yourself be transported to new horizons of… Continue Reading