Respuestas
Respuesta dada por:
1
1.
%m/m = m soluto x 100
````````````
m solc.
% m/m = 25.85 g x 100
````````````
285 g
% m/m = 9.07 %
2.
%m/m = m soluto x 100
````````````
m solc.
m solc. = m soluto x 100
``````````````
%m/m
m solc. = 25.92 g x 100
````````````
25 g/g
m solc. = 103.68 g
m solc. = m soluto + m solvente
m solvente = m solc. - m soluto
m solvente = 103.68 g - 25.92 g = 77.76 g de agua
3.
%m/m = m soluto x 100
````````````
m solc.
m solc. = m soluto x 100
``````````````
%m/m
m solc. = 25.92 g x 100
````````````
25 g/g
m solc. = 103.68 g
%m/m = m soluto x 100
````````````
m solc.
% m/m = 25.85 g x 100
````````````
285 g
% m/m = 9.07 %
2.
%m/m = m soluto x 100
````````````
m solc.
m solc. = m soluto x 100
``````````````
%m/m
m solc. = 25.92 g x 100
````````````
25 g/g
m solc. = 103.68 g
m solc. = m soluto + m solvente
m solvente = m solc. - m soluto
m solvente = 103.68 g - 25.92 g = 77.76 g de agua
3.
%m/m = m soluto x 100
````````````
m solc.
m solc. = m soluto x 100
``````````````
%m/m
m solc. = 25.92 g x 100
````````````
25 g/g
m solc. = 103.68 g
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esta es la respuesta de la 3. no la primera.