Add different salts to water, then watch them dissolve and achieve a dynamic equilibrium with solid precipitate compare the number of ions in solution for highly soluble nacl to other slightly soluble salts relate the charges on ions to the number of ions in the formula of a salt calculate ksp values. Solutions are a special kind of mixture and solubility is a term used to describe the amount of materials (solids, liquids, or gas) which can be dissolved in a solvent to make a solution a solvent is the dissolving agent, eg water. The results will be used to formulate a table of solubility rules since the reactions will be done with ions in solution, the solutions must be prepared from compounds that are soluble all nitrate salts are soluble.
The solubility rules that were used to make this prediction were rules number 2 and 3 rule number 2 states that all salts containing nitrate, acetate and perchlorate are soluble rule number 3 states that all salts containing chloride, bromide, and iodide are soluble. The primary focus of experiment 4 was to teach a student the basic solubility rules of salts in aqueous solutions after developing and using a scheme for the qualitative analysis of three cations in an aqueous mixture, a student would use a centrifuge to identify, precipitate, and separate the three ions in the mixture. The following are the solubility rules for common ionic solids if there two rules appear to contradict each other, the preceding rule takes precedence salts containing group i elements (li + , na + , k + , cs + , rb + ) are soluble.
This is a list of the solubility rules for ionic solids in water solubility is a result of an interaction between polar water molecules and the ions which make up a crystal two forces determine the extent to which solution will occur.
Salts check solubility first (use solubility table, then k sp table if necessary) soluble salts are always good conductors salts with low solubility are poor conductors. Qualitative analysis and rules related to solubility are common experiments in the general chemistry laboratory this is due, in part, to the ease, speed, and inexpensive nature of the tests it is for these reasons that qualitative tests are also used in field-based analyses and confirmatory lab tests. 41 experiment 4 solubility of a salt outcomes after completing this experiment, the student should be able to: measure the temperature at which a solution becomes saturated.
It also explains basic chemistry concepts that will be useful in conducting this science fair project links to related sites on the web title: solubility of salts.
Classroom activities from inquiry in action on the topic of solubility. Solubility rules thanks to professor kenneth w busch from whose web page these data were extracted 1 salts containing group i elements are soluble (li +, na +, k +, cs +, rb +)exceptions to this rule are rare. Solubility rules are generally used for the generation of net ionic equations during the mixing of salts with the ions in the water solubility rules chart is used to determine the solubility or insolubility property of the compounds. Check solubility first (use solubility table, then k sp table if necessary), in comparing a number of salts with low solubility, the lower the molar solubility (s), the lower the conductivity use k sp comparing solubility in acid, bases, and salts author: darrol.
Another general solubility rule is: phosphate salts are insoluble in water except those of the alkali metals we wish to develop similar solubility rules, along with associated exceptions, for chloride (cl-) salts, sulfate (so 4 2-) salts and hydroxide (oh-) salts. Solubility rules for ionic compounds the rules are meant as a guide only there are exceptions to these rules 1 salts of the alkali metals are soluble. Identifying an unknown compound by solubility, functional solubility tests can suggest the size and polarity of an unknown compound and the presence of basic or acidic functional groups a compound’s solubility in aqueous acid or base involves ionization of the organic compounds follow three interdependent rules of solubility: 1.