subject
Chemistry, 06.06.2020 17:00 ayoismeisjjjjuan

Resolver los siguientes problemas relacionados con Soluciones Valoradas, pH, pOH y Titulacion. 1.- Si se disuelven 20 ml de alcohol en 80 ml de agua. Cual es el porcentaje de alcohol en la solucion? 2.-Que molaridad tiene una solucion de acido sulfurico, si 600 ml de la solucion contienen 50 gr del acido? 3.- Cuantos gramos de hidroxido de calcio se necesitan para preparar 750 ml de una solucion 0.15 Molar? 4.- Calcular el pH y el pOH de una solucion de HCl 4.9 × 10-4 M? 5.- Calcular el pOH y el PH de una solucion 0.00016M de KOH. 6.-Cual es el pH de una solucion 0.7 M de hidroxido de sodio? 7.- Que volumen de HBr 0.25 N sera necesario para neutralizar 50 ml de KOH 0.20 N? 8.- Cual es el volumen de acido clorhidrico 0.5 N que se requiere para neutralizar 20 ml de una solucion 0.3 N de NaOH? FORMULARIO: Va×Na=Vb×Nb pKw=pH+pOH pH=-log[H+] pOH=-log[OH-]

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 13:20
An aqueous solution of calcium hydroxide is standardized by titration with a 0.120 m solution of hydrobromic acid. if 16.5 ml of base are required to neutralize 27.5 ml of the acid, what is the molarity of the calcium hydroxide solution?
Answers: 3
question
Chemistry, 21.06.2019 21:00
What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?
Answers: 1
question
Chemistry, 22.06.2019 16:00
What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided
Answers: 2
question
Chemistry, 22.06.2019 20:00
Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
Answers: 1
You know the right answer?
Resolver los siguientes problemas relacionados con Soluciones Valoradas, pH, pOH y Titulacion. 1.- S...
Questions
question
Mathematics, 18.10.2021 01:00
question
Mathematics, 18.10.2021 01:00
question
Mathematics, 18.10.2021 01:00
Questions on the website: 13722367