Chemistry, 19.03.2021 07:10 GoAheadAndSmileToday
Se dispone de 100 mL de una disolución 0.15M de hidróxido de
potasio (KOH).Calcula el pH de la solución. Recuerda que el
hidróxido de potasio es una base fuerte que sufre disociación total
en disolución acuosa.
Answers: 2
Chemistry, 21.06.2019 17:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 1
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Se dispone de 100 mL de una disolución 0.15M de hidróxido de
potasio (KOH).Calcula el pH de la solu...
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