Chemistry, 13.07.2021 14:00 janessa0804
In a titration, 25.00 cm3 of 0.100 mol/dm3 sodium hydroxide solution is exactly neutralised by 20.00 cm3 of a dilute solution of hydrochloric acid.
Calculate the concentration of the hydrochloric acid solution.
The unit is mol/dm3
Answers: 3
Chemistry, 22.06.2019 01:30, giraffegurl
If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)
Answers: 3
Chemistry, 22.06.2019 02:50, giiffnlojd
Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
Answers: 3
Chemistry, 23.06.2019 01:00, only1cache
Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.
Answers: 2
In a titration, 25.00 cm3 of 0.100 mol/dm3 sodium hydroxide solution is exactly neutralised by 20.00...
Computers and Technology, 20.10.2019 05:10
Mathematics, 20.10.2019 05:10
Law, 20.10.2019 05:10
Chemistry, 20.10.2019 05:10
Mathematics, 20.10.2019 05:10
Mathematics, 20.10.2019 05:10