A Biologist Needs 500 ML of a 10 MM Phosphate

question 80

Multiple Choice

A biologist needs 500 mL of a 10 mM phosphate buffer.The stock solution of the buffer is 100 mM.How much stock solution should be used to make the 10 mM phosphate buffer?

• A) 500 mL
• B) 50 mL
• C) 5.0 mL
• D) 0.5 mL
• E) 2.0 mL

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Definitions:

Experienced Abuse

Having been subjected to harmful or injurious treatment or behavior, often repeatedly or over a period of time.

Physical Abuse

The intentional use of force against someone, causing harm or injury.

Sexual Abuse

Any unwanted sexual activity, with perpetrators using force, making threats or taking advantage of victims not able to give consent.

Motivated Forgetting

A psychological theory suggesting individuals may unconsciously forget memories that cause stress or anxiety.