Purchase Solution

Working with Concentration Conversion

Not what you're looking for?

Ask Custom Question

44. The concentrations of lead in blood samples are often reported in units of micromoles of lead per liter of blood. Calculate the value of the concentration in these units of a blood sample containing 45 ppb lead, assuming that the density of blood is one gram per milliliter.

Purchase this Solution
Solution Summary

The solution explains concentration conversions.

Solution Preview

A mole is an amount of a substance that contains 6.023*10^23 molecules or atoms. A micromole is one-millionth of a mole.

thus, 1 micro mole = 6.023*10^17 atoms

Owing to the dilute nature of the ...

Purchase this Solution
Free BrainMass Quizzes
General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

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.

Periodic table

Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.

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.

View More Free Quizzes
Related BrainMass Solutions

  • Can someone explain substrate concentration?

    Onto substrate concentration: Enzymes are SUBSTRATE-SPECIFIC, which means that a specific enzyme can usually only catalyze the conversion of one specific substrate into a product.

  • DeltaG Values from Reactions and Non-standard Conditions

    Phosphoenolpyruvate (PEP) + ADP ----> pyruvate + ATP 2) Working in the lab, you determine the deltaG0 for the conversion of PEP ----> pyruvate to be -2.3kcal/M. What is the Keq for this reaction?

  • Working out a Conversion Factor for Glucose Tolerance Test

    154262 Working out a Conversion Factor for Glucose Tolerance Test Hi. I have to write a practical report for Glucose Tolerance test. I have tried and tried but am struggling.

  • Enzymatic Reactions

    It's got a backlog of substrate and the enzyme is working as fast as it can.

  • Working with a rapid method to convert iron to rust

    23312 Working with a rapid method to convert iron to rust I'm working on an experiment that requires the rapid (minutes rather than days) conversion of Iron into red rust (Fe2O3) WITHOUT using heat as a catalyst.

  • Chloroform in trihalomethanes

    The link I provide here shows you some unit conversion factor as well as an example of this specific unit conversion (from fl. ounces to liters).

  • Finding Molar Concentration

    Molarity = mass of substance present in one litre/ molecular mass Here the concentration is given directly so need to calculate from the above equation, it requires only conversion of µ 50µ M solution of sodium phosphate can be can be expressed

  • Tert-Butyl Bromide

    The intermediate goes on to form tert-butyl alcohol and tert-butyl ether in a slow conversion independent of the concentration of the precursor intermediate and probably dependent on the concentration of the final product or independent of said concentrations

  • Kinetics in Chemical Reactor

    What is the CO conversion and temperature at the exit of the reactor. 2. The liquid phase reaction (in attached file) is carried out in a jacketed (cool) CSTR reactor with volume V=1m3.

View More Related Solutions