Why can components of mixtures be separated by physical means whereas components of compounds cannot?

What is the percentage of iron (III) oxide in a 5.0 gram sample if 3.8 grams of the oxide has been recovered? Define the term RF value.

In paper chromatography why should ink not be used to mark the positions for spotting?

A student developed a chromatogram for a sample containing only two unknowns. After visualization, he was surprised to find at least five spots. Suggest a possible technical error that might have led to these erroneous results. Be quite specific.

Solution PreviewSolution Preview

These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.

    By purchasing this solution you'll be able to access the following files:

    50% discount

    $20.00 $10.00
    for this solution

    PayPal, G Pay, ApplePay, Amazon Pay, and all major credit cards accepted.

    Find A Tutor

    View available Chemistry - Other Tutors

    Get College Homework Help.

    Are you sure you don't want to upload any files?

    Fast tutor response requires as much info as possible.

    Upload a file
    Continue without uploading

    We couldn't find that subject.
    Please select the best match from the list below.

    We'll send you an email right away. If it's not in your inbox, check your spam folder.

    • 1
    • 2
    • 3
    Live Chats