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Samanda f
Samanda f asked in Ciencias y matemáticasQuímica · 10 years ago

¿20.3cl de una solución al 25% de NaCl cuantos mg tengo que pesar?

ayudaa!!!

1 Answer

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  • josir
    Lv 7
    10 years ago
    Favorite Answer

    Pasas los cl a ml

    20.3cl = 203 mL

    X%m/v = g x 100 / mL de sol´N

    g= %X100/ vol de sol´n

    g= 25 x 203)/ 100 = 50.75 g

    pasas a mg

    mg = 50750mg

    suerte.-IR

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