Chemistry, 23.06.2020 17:01 adriancastaneda
50cm3 of sodium hydroxide solution was titrated against a solution of sulfuric acid. The concentration of the sodium hydroxide solution was 20g/dm3. Work out the concentration of the acid in grams per litre if it took 25cm3 of acid to completely neutralise the alkali. The relative molecular mass of sulfuric acid is 98.
Answers: 3
Chemistry, 22.06.2019 12:30
Acontrol during an experiment. might change remains constant does not exist does change
Answers: 1
Chemistry, 22.06.2019 20:00
In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:
Answers: 3
Chemistry, 22.06.2019 21:00
Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
Answers: 1
Chemistry, 23.06.2019 10:00
1.9 mol hcl and 3.9 mol naoh react according to the equation hcl + naoh −→ nacl + h2o . if the limiting reactant is hcl, calculate the amount of nacl formed.
Answers: 1
50cm3 of sodium hydroxide solution was titrated against a solution of sulfuric acid. The concentrati...
English, 24.11.2020 01:50
Geography, 24.11.2020 01:50
Physics, 24.11.2020 01:50
English, 24.11.2020 01:50
Mathematics, 24.11.2020 01:50
Engineering, 24.11.2020 01:50
Geography, 24.11.2020 01:50
Mathematics, 24.11.2020 01:50