Chem 105 final UWEC Questions and Answers New (2025/2026) Solved 100% Correct
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Course
Chem 105 UWEC
Institution
Chem 105 UWEC
What is the correct name for AlCl3?
a). Aluminum (III) chloride
b). Aluminum chloride
c). Aluminum trichloride
d). Monoaluminum trichloride - ️️b). Aluminum chloride
What kind of compound is HNO3?
a). Molecular
b). Ionic
c). Metallic
d). Element
e). Polyatomic ion - ️️a). Molecula...
a). Distilled water
b). Ammonia
c). River water with suspended sand particles
d). NaCl dissolved in water
e). C6H6(l) - ✔️✔️d). NaCl dissolved in water
If Co2 has a MM of 44.01 g/mol, how many moles of CO2 are in 254g of CO2?
Considering OH, H202 and H20, which of the following statements is true?
a). OH and H2O2 are both empirical formulas
b). H2O is the empirical formula of H2O2
c). OH is the empirical formula of H2O
d). H2O is both a molecular and empirical formula
e). H2O2 is the empirical formula of OH - ✔️✔️d). H2O is both a molecular and
empirical formula
If an empirical formula of a compound was determined to be CH2O and a separate
experiment determined the molar mass to be 180 g/mol, what is the molecular formula?
a). C6H12O6
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