Purchase Solution

molarity of lactose in milk

Not what you're looking for?

Ask Custom Question

On average, cow milk is 4.7%(w/w) lactose. The molecular weight of this disaccharide is 342.3g C12H22011. Assuming milk has the density of water (it is >90% water) what is the molarity of lactose in milk?

Purchase this Solution

Solution Summary

The solution includes stepwise explanation on how to determine molarity with given density and w/w of a substance.

Solution Preview

Mass of lactose in 100g solution = 4.7g
so, mass of lactose in 1000g ...

Purchase this Solution


Free BrainMass Quizzes
Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.