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DISOLUCION NORMAL [2 records]

Record 1 2012-04-13

English

Subject field(s)
  • Analytical Chemistry
DEF

[Said of] a concentration in which one equivalent weight (molecular weight expressed as grams) of a substance is contained in 1 litre of solution.

OBS

A standard measure of concentration, indicated by N, e.g., 2 N, 0.5 N, etc.

CONT

For example, a 2 N solution of nitric acid (MW = 63.0) contains 2 x 63 or 126 grams of nitric acid per litre.

OBS

N: This abbreviation must be italicized.

French

Domaine(s)
  • Chimie analytique
DEF

[Se dit de] la concentration d'une solution contenant un poids équivalent (masse moléculaire exprimée en grammes) dans 1 litre.

CONT

Par exemple, une solution d'acide nitrique 2 N (masse moléculaire = 63,0) renferme 2 x 63, soit 126 grammes, d'acide nitrique par litre.

OBS

N : Cette abréviation s'écrit en italique.

Spanish

Campo(s) temático(s)
  • Química analítica
DEF

[Dícese] en las disoluciones, la que contiene 1 equivalente-gramo de sustancia por litro de disolución.

CONT

Se dice que [una disolución] es uno normal(1 N) cuando cada litro contiene un equivalente-gramo de soluto.

Save record 1

Record 2 2010-08-27

English

Subject field(s)
  • Analytical Chemistry
  • Scientific Measurements and Analyses
CONT

A sometimes useful unit of concentration in quantitative analysis is normality (N). A one-normal solution contains one equivalent/liter. An equivalent is a mole multiplied by the number of reacting units for each molecule or atom.

French

Domaine(s)
  • Chimie analytique
  • Mesures et analyse (Sciences)
DEF

Rapport de la concentration d'une solution titrée à celle de la solution normale du même corps dissous. (La normalité d'une solution normale est égale à l'unité.)

OBS

Par extension : concentration équivalente.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Medición y análisis (Ciencias)
DEF

Concentración de una disolución de un cuerpo, que se expresa tomando como unidad la concentración del mismo en la correspondiente disolución normal [...]

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