En resumen

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.

Mejor respuesta

Jostynsarango
7

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.