subject
Chemistry, 24.06.2021 15:50 chris3633

DISOLUCIONES O SOLUCIONES 1. Se disuelven 20 g da hidróxido de sodio en 560 g de agua. Calcular la concentración de la
disolución en % m/m Rta 3,45

2.Una solución acuosa de sulfato de amonio contiene 240 g de sal / kg de solución. Calcular:
a) g de st/ 100 g de dsv Rta:31,58 g de sto/ 100g de dsv
b) g de st/ 1000 cm 3 de disolvente Rt: 315,8 g de sto en 100 cm 3 de dsv

3. Se preparó una solución de cloruro de sodio disolviendo 10 g de esa sal en 60 g de agua. Calcula
el porcentaje en peso del soluto en la solución obtenida Rta: 14,29 %

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 18:30
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
question
Chemistry, 22.06.2019 11:00
What can be found in the ionosphere
Answers: 1
question
Chemistry, 22.06.2019 16:30
Which metals are called noble metals
Answers: 2
question
Chemistry, 22.06.2019 18:30
Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years
Answers: 2
You know the right answer?
DISOLUCIONES O SOLUCIONES 1. Se disuelven 20 g da hidróxido de sodio en 560 g de agua. Calcular la...
Questions
question
Mathematics, 04.11.2021 14:50
question
History, 04.11.2021 14:50
question
Mathematics, 04.11.2021 14:50
question
Mathematics, 04.11.2021 14:50
Questions on the website: 13722367