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Molar concentration

Molar concentration (also called molarity, amount concentration or substance concentration) is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution.

– In A Thousand Plateaus Deleuze and Guattari apply the ‘molar’ and ‘molecular’ to political bodies. Molar entities belong to the State or the civic world. They are well defined, often massive, and are affiliated with a governing apparatus. Their molecular counterparts are micro-entities, politics that transpire in areas where they are rarely perceived: in the perception of affectivity, where beings share ineffable sensations; in the twists and turns of conversation having nothing to do with the state of the world at large; in the manner, too, that a pedestrian in a city park sees how the leaves of a linden tree might flicker in the afternoon light. The shifting to and from molar and molecular forms can be associated not only with deterritorialisation but also the very substance and effect of events that begin and end with swarms and masses of micro-perceptions.
Molecules often aggregate and swarm into active masses of molar aspect and vice versa. In The Fold Deleuze suggests that events, the very product of philosophy and determining features of perception, depend on the prehension of the textures of elements in terms of their wholes and the parts that swirl and toss within them or on their very surfaces. The process entails grasping a ‘chaosmos’ that becomes discernible through the categories of the molar and molecular. Deleuze is in turn enabled to study matter as a function of mass, hardness, and of ‘coherence, cohesion’ (D 1993a: 6). He projects the distinction onto the body in so far as it can be appreciated in its elasticity and fluidity. Thus, with the ‘molar’ the philosopher correlates surfaces with structures, masses with territories, and vibrations or waves with landscapes. –
From The Deleuze dictionary

Molaire concentratie

De molaire concentratie (of de molariteit) is een maat voor de sterkte van een oplossing van een stof. Ze wordt gedefinieerd als het aantal mol opgeloste stof per liter oplossing.

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