A chemistry graduate student is given 450. mL of a 0.60M chlorous acid (HCIO,) solution. Chlorous acid is a weak acid with K=1.1 × 10 ~. What mass of KCIO, should the student dissolve in the HCIO, solution to turn it into a buffer with pH =1.80? You may assume that the volume of the solution doesn't change when the KCIO, is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

Assuming ideal behavior, rank the solutions boiling points, 1 is lowest to 4 highest boiling point: 0.1 m CaCl2 0.1 m NaOH [Choose ] [Choose ] 0.025 m Al2(SO4)3 [Choose] 0.25 m C6H12O6 [Choose ]

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what is the correct answer ง The two possible states of a substance in water, dissolved (D) and undissolved (U), are depicted in the PEC diagram below. What is true about this substance? Ep U D # configurations Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a It is soluble in water at all temperatures b It is insoluble in water at all temperatures C It is soluble in water only at high temperatures d It is soluble in water only at low temperatures