Chemistry, 05.05.2020 16:27 kcarstensen59070
A student performs an experiment to determine the concetration of a solution of hypochlorous acid, hocl (ka = 3.5 x 10^-8) the student starts with 25.00 ml of the acid in a flask and titrates it against a standardized solution of sodium hydroxide with a concentration of 1.47 m the equivalence point is reached after the addition of 34.23 ml of naoh
Answers: 3
Chemistry, 22.06.2019 04:20
Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h
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Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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Chemistry, 22.06.2019 09:30
Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature
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Chemistry, 22.06.2019 13:00
The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false
Answers: 2
A student performs an experiment to determine the concetration of a solution of hypochlorous acid, h...
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