A Researcher Needs 800 ML of a 25 MM Phosphate

question 59

Multiple Choice

A researcher needs 800 mL of a 25 mM phosphate buffer.The stock solution of the buffer is 100 mM.How much stock solution should be used to make the 25 mM phosphate buffer?

• A) 31 mL
• B) 310 mL
• C) 200 mL
• D) 2.0 mL
• E) 0.2 mL

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A decrease in the general price level of goods and services, often indicating a contraction in the supply of money and credit in the economy.

Natural Resources

Raw materials supplied by nature that are used to produce goods and services.

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Financial aid provided by multiple countries or international organizations to support economic development or humanitarian efforts in a recipient country.

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