Chemistry, 30.04.2021 01:00 joleerector113
The student made 250 cm3 of a solution of citric acid of concentration 0.0500 mol/dm3 Calculate the mass of citric acid (C6H8O7) required. Relative atomic masses (Ar): H = 1 C = 12 O = 16
Answers: 2
Chemistry, 21.06.2019 17:00
An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid
Answers: 1
Chemistry, 22.06.2019 01:00
Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color
Answers: 2
Chemistry, 22.06.2019 12:30
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
The student made 250 cm3 of a solution of citric acid of concentration 0.0500 mol/dm3 Calculate the...
Mathematics, 15.11.2019 11:31
Biology, 15.11.2019 11:31
English, 15.11.2019 11:31
Mathematics, 15.11.2019 11:31
Mathematics, 15.11.2019 11:31
English, 15.11.2019 11:31
English, 15.11.2019 11:31
Mathematics, 15.11.2019 11:31