How many molecules of ibuprofen (C15H18O2) contain 2.84 x 10^23 atoms of hydrogen?How do I set up a dimensional analysis problem for this question? Ive tried so many ways but Im still unsure...
If you wanted a solution that would neutralize a strong acid?If you wanted a solution that would neutralize a strong acid, you would reach for the bottle with the: 1. Lowest pH 2. Highest pH 3. Any pH Is it 2? Any help is appreciated, than...
I need 3ml of 30 percent H2O2 but Im only allowed to use 3 percent H2O2, what volume do I need?I was thinking of using this formula but Im not sure if Im correctC1 x V1 = C2 x V230/100 x 3ml = 3/100 x unknown volume (V2)0.9ml = 0.03 x V...
What mass of solid NaCH3CO2 (molar mass = 82.0 g/mol) should be added to 1.00 L of 0.350 M CH3CO2H to make a buffer of pH = 5.20?(Ka for CH3CO2H = 1.8×10-5)...
Which of the following correctly defines a hydrogen bond?A hydrogen bond is:1. Any bond using hydrogen2. Found only in non-aqueous systems3. A specific weak interaction using partial sharing of a hydrogen between more electronegative atoms4....
If an immigrant is here legally and they arent a good person, should they go back to their country?If someone immigrants to the U.S legally and they disrespect people or are a bad person, they should be deported. Anyone agree?...
A pure 16.85 sample of the weak base ethyl amine, C2H5NH2, is dissolved in enough distilled water to make 500 mL of solution.?Calculate molar concentration of C2H5NH2...
1. Which solution has lowest freezing point? Explain.2. Above which solution is the pressure of water vapor greatest? Explain.3. Which solution has the lowest boiling point? Explain.4. Which solution has highest pH? Explain.5. Identify pair...
