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BIO 143 STUDY SHEET 2026 ACCURATE QUESTION AND ANSWER DIGEST

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BIO 143 STUDY SHEET 2026 ACCURATE QUESTION AND ANSWER DIGEST

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BIO 143
Course
BIO 143

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BIO 143 STUDY SHEET 2026 ACCURATE
QUESTION AND ANSWER DIGEST

◉ Solvent.
Answer: the substance in which the solute dissolves


◉ Solute.
Answer: A substance that is dissolved in a solution.


◉ Stock Solution.
Answer: Highly concentrated solution that can be diluted to make
the working solution


◉ Working Solution.
Answer: Solution prepared by diluting stock solution


◉ Different units of concentration.
Answer: Molar : M=mol/L
Millimolar: mM= mmol/L


◉ Formula of density.

, Answer: D=m/v


◉ How to apply formula of density.
Answer:


◉ Know how to use and manipulate this formula!.
Answer: C1 x V1 = C2 x V2
Initial Concentration x Initial Volume = Final Concentration x Final
Volume


◉ To find C1.
Answer: C2 x V2/V1


◉ To find V1.
Answer: C2 x V2/C1


◉ To find C2.
Answer: C1 x V1/ V2


◉ To find V2.
Answer: C1 x V1/ C2

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