Chemistry, 13.07.2019 22:30 rainbowmc6
Asap 1) determine the hydronium and hydroxide ion concentrations in a solution that is 2.0 × 10-2 m naoh 2) determine the ph of a solution that is 5.0 × 10-4 m hno3+ 3) determine the ph of a 3.45 × 10-2 m sr(oh)2 solution. 4) the ph of a solution is determined to be 7.0. what is the hydronium ion concentration of this solution? 5) the ph of an aqueous solution is measured as 5.00 calculate the [h3o+] and the [oh-]. i've got the answers for each but i don't know if i'm correct and if i used correctly significant figures. , !
Answers: 1
Chemistry, 22.06.2019 10:50
A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.
Answers: 3
Chemistry, 22.06.2019 14:30
Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
Answers: 1
Chemistry, 22.06.2019 15:00
Answer explain why it is not possible to deduce a complete order of reactivity.
Answers: 3
Chemistry, 22.06.2019 21:00
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
Answers: 3
Asap 1) determine the hydronium and hydroxide ion concentrations in a solution that is 2.0 × 10-2 m...
Medicine, 23.04.2020 23:07
Mathematics, 23.04.2020 23:07
Mathematics, 23.04.2020 23:07
Mathematics, 23.04.2020 23:07
History, 23.04.2020 23:07
Mathematics, 23.04.2020 23:08
Spanish, 23.04.2020 23:08
Arts, 23.04.2020 23:08
History, 23.04.2020 23:08
Mathematics, 23.04.2020 23:08
Mathematics, 23.04.2020 23:08