Which of the following statements is incorrect?
a.
A solution of sodium phosphate will have a pH of less than 7.
b.
A solution of potassium bromide will have a pH of 7.
c.
A solution of ammonium chloride will have a pH less than 7.
d.
A solution of cobalt(II) chloride will have a pH less than 7.
e.
Given that the Kb of ammonia is 1.8 x 10-5 and the Ka of hydrofluoric acid is 6.8 x 10-4, a solution of ammonium fluoride will have a pH of less than 7.
Answers: 2
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Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.
Answers: 3
Chemistry, 22.06.2019 01:30
The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 ร 103 pascals?
Answers: 3
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first cardโs hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
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Chemistry, 23.06.2019 01:30
What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water
Answers: 1
Which of the following statements is incorrect?
a.
A solution of sodium phosphate will have...
A solution of sodium phosphate will have...
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