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Question 23 Compare the following 1.75M solutions: NH3, HClO4, LizN, and (NH4)2SO4 Which would have the...
Compare the following 1.75M solutions: NH3, HCIO Lign, and (NH4)2SO4 Which would have the lowest boiling point? all would be the same HCIOA Lign NHS (NH4)2S04
Which of the following solutions would have the lowest vapor pressure? Multiple Choice 0.1 M (NH4)2SO4 0.1 M Li3PO4 0.1 M MgCl2 0.1 M CH3OH
Question 21 2 pts A patient was administered 55.5mg of potassium-42. How many mg of K-42 would remain after 7 days? The half life of K-42 is 12 hours. None of these answers are correct O 0.0135 mg O 0.433 mg 27.75 mg O 3.39 x 103 mg llection 22 2 pts Question 23 2 pts Compare the following 1.75M solutions: NH3, HCIO4, Li3N, and (NH4)2S04: Which would have the highest freezing point? NH3 O all would be the same...
Which of the following aqueous solutions will have the highest freezing point? Which will have the lowest vapor pressure? Explain 1. 0.250 m CH3CH2OH 2. 0.180 m AlPO4 3. 0.095 m (NH4)3PO4 4. 0.100 m MgCl2
1. Which of the following solutions would be a buffer? Select all that apply. - a solution containing HNO2 and LiNO2 - a solution containing NH3 and NH4+ - a solution containing HCl and NaCl - a solution containing HClO4 and NaClO4 - a solution containing HF and HCl - a solution containing HN3 and NaN3
please explain why Which of the following aqueous solutions would have the highest osmotic pressure at 298 K? O 0.5 M (NH4)2SO4 O pure H20 O 1.5 M glucose (C6H1206) O 1M MgCl2 O 1M NaNO3
QUESTION 14 Which combination(s) of solutions will produce a precipitate? NiBr2(aq) + (NH4)2SO4(aq) Fe(CIO4)3(aq) + Li3PO4(aq) O A. Both solution I and solution II produce a precipitate. OB. Only solution II produces a precipitate. O C. Neither solution I nor solution II produces a precipitate. O D.Only solution I produces a precipitate.
+ NH3 H₂O OH NH4+ Given the chemical reaction above, NH3 would be classified as a O A strong acid O B. weak base O C. Strong base O D. weak acid QUESTION 11 When added to water, which of the following would produce an acid? OMgo Nao NH3 SO3 None of the above. 00000 QUESTION 12 taste. Liquids that have a basic pH can be identified by their O A. salty O B. sour O C. sweet O D....
Question 5 (1 point) Concerning the equation, ! Law NH3 + H2O <-> NH4+ + OH", (<-> consider as an equilibrium arrow) which of the following statements are TRUE? (0) NH3 and OH' are weak bases. (ii) NH3 is a Bronsted base and NH4+ is its conjugate acid. (iii) H20 is a Bronsted acid and OH is its conjugate base. (iv) NH4+ is a weaker acid than H20. O all statements are true 'Oi, ii, iii Oli, iv Oi, ii...
QUESTION 23 Which of the following fatty acids would you expect to have the lowest melting point? А O= нс OH B H₃C' OH C нус OH D OH CH3 ol. A oll. B o III.C .IV.D Click Save and Submit to save and submit. Click Save All Answers to save all answers.