Calculos De Lab Quimik

Densidad de sólidos:
muestra solida |vol(mL) de H2O |Masa(g) del solido |Vol(mL) del Sol +H2O |Vol(mL) det solido |Relacion g/mL | |  |60 |1.36 |60.14240838|0.142408377 |9.55 | |  |60 |2.59 |60.28 |0.28 |9.25 | |Solido 1 |60 |3.73 |60.40237325 |0.402373247 |9.27 | |  |60 |9.36 |61.00321543 |1.003215434 |9.33 | |  |60|8.33 |60.88617021 |0.886170213 |9.4 | |

1. calculo de la densidad promedio

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➢ Error absoluto:

Vt: valorteorico

Ve: valor experimental

Error abs = Vt – Ve

Error abs = 8,96g/ml – 9.3g/ml =-0.34g/ml

➢ Porcentaje de error

% de error = Vt–Ve x 100
Vt

% de error (Al) = 8,96g/ml – 9,3g/ml x 100 = -3,79 %
8,96g/ml

2.-Densidad de líquidos:

muestra |vol(mL) de liq. |Masa(g) de la probeta |Masa(g) de probeta + liq |Masa(g) del liq |Relacion g/mL | |  |10 |25.28 |35.1809901|9.900990099 |1.01 | |  |20 |25.28 |45.68816327 |20.40816327 |0.98 | |Sol NaCl |30 |25.28 |54.9829703 |29.7029703 |1.01 | |  |40 |25.28 |65.6840404 |40.4040404 |0.99 | | |50 |25.28 |76.82639175 |51.54639175 |0.97 | |

• Densidad experimental promedio del NaCl a 22ºC:

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➢ Error absoluto:

Vt:valor teorico

Ve: valor experimental

Error abs = Vt – Ve

Error abs = 1,015g/ml – 0,992g/ml =0,023g/ml

➢ Porcentaje de error

% deerror = Vt –Ve x 100
Vt

% de error (Al) = 1,015g/ml – 0.992g/ml x 100 = 2,26%
1,015g/ml