Astudent wants to prepare a solution of cobalt(ii) fluoride with a known molarity.
how many grams of cof2 must be weighed out to prepare 100. ml of a 0.157 m aqueous solution of the salt?
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Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .