¿Cuántos gramos de K2 CO3 contienen 750 ml de una disolución de K2 CO3 al 3,5% (m/v)?

¿Cuántos gramos de K2 CO3 contienen 750 ml de una disolución de K2 CO3 al 3,5% (m/v)?

Respuesta:

26,25 gr. K2CO3

Explicación:

Obtenes los siguientes datos:

m: x gr de K2CO3

v: 750 ml

%m/v: 3,5%

Aplicamos el porcentaje masa/volumen......

%m/v= msto/vsol x 100

Resolvemos:

3.5% = m gr./ 750 ml x 100

2625= 100m

26,25 gramos de K2CO3

Espero que te haya servido en mi resolución, saludos y un abrazo :D    

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