Lab Practicum: CHEM 120/ CHEM120 (NEW 2026/ 2027 Update) Introduction to General, Organic, and Biological Chemistry with Lab | Questions & Answers | Grade A| 100% Correct (Verified Solutions)-Chamberlain

Labl Practicum:l CHEMl 120/l CHEM120l
(NEWl 2026/l 2027l Update)l Introductionl
tol General,l Organic,l andl Biologicall
Chemistryl withl Labl |l Questionsl &l
Answersl |l Gradel A|l 100%l Correctl
(Verifiedl Solutions)-Chamberlain

QUESTION
Convertl froml gl tol moll Stepl 1



Answer:
Findl thel molarl massl (g/mol)l ofl thel substance.l (Usel thel Periodicl Tablel -l addl upl thel
atomicl masses.)




QUESTION
Convertl froml gl tol moll Stepl 2



Answer:
Writel downl thel givenl grams.




QUESTION
Moles


Answer:

,gramsl ÷l molarl massl =l moles




QUESTION
Molarl Mass


Answer:
Thel massl ofl al substancel inl gramsl perl molel (g/mol),l calculatedl byl addingl upl thel
atomicl massesl usingl thel Periodicl Table.




QUESTION
Conversionl froml gl tol mol



Answer:
Stepl 3:l Dividel thel gramsl byl thel molarl mass.




QUESTION
Conversionl froml moll tol g


Answer:
Stepl 3:l Multiplyl thel molesl byl thel molarl mass:l molesl ×l molarl massl =l grams.




QUESTION
Acid


Answer:
Givesl awayl H+l (protonl donor).

, QUESTION
Base


Answer:
Acceptsl thel H+l (protonl acceptor).




QUESTION
Neutralizationl Reaction



Answer:
Occursl whenl anl acidl andl al basel reactl tol forml waterl andl al salt,l withl thel acidl givingl
anl H⁺l andl thel basel givingl anl OH⁻.




QUESTION
Buffers


Answer:
Consistl ofl al weakl acidl andl itsl conjugatel basel orl al weakl basel andl itsl conjugatel acid,l
andl resistl changesl tol pH.




QUESTION
pHl Scale


Answer:
pHl abovel 7l isl alkalinel orl basic,l pHl belowl 7l isl acidic,l andl pHl 7l isl neutral.