Chemistry Percent Composition Report

pct Composition Report Hypothesis By employ seperation techniques properly, the 3 philia such as water, sand, and common salt can be sepe aimd and the percent constitution of from each one substance. Which will then be calculated theoritically and after comp atomic number 18 with the actual result, the accuracy of the 2 result can be launch. repoint The aim of this experiment is to compare the gravimetric result of the original salmagundi and the separated substance. The other objective is to calculate each percent melodic theme of the substance that was in the miscellany.Introduction Percent composition is about calculating the parcel of a specific substance in a categorization or compound. It is used mostly to calculate the percentage of an element in a compound using moles. To find percent composition in a mixture, the first thing need to be done is by using separation technique to separate the substances. In this experiment, by knowing that salt is soluble in water and salt do not, determining the technique that is to be used is not a difficulty anymore.Finding composition is besides important in daily lives, such as finding impurities in a material such as gold. People have assemble that most golds are not completely composed of gold, but it is too composed of other elements which becomes an alloy. It involves basic mathematical calculation, but the percentage that is found can be beneficial for the researcher depending on his intentions on what to do with it. Materials -Mixtures of sand and salt -Aquades -Filter paper Filter tunnel -Filtration apparatus -Stirer -Wired netting -Beaker ProcedureThe beaker, evaporating disk, filter paper, and the mixture is weighted using the provided equipment -Water is then added into the mixture which was in the beaker -The whole mixture that was poured by water is stired -The equipments for filtration was prompt -The mixture was poured to the filter paper and was allowed to be filtered -The sand resid ue was taken to the bullet train device to be heated overnight -Equipments for the evaporation process is prepared beforehand -The filtrate was then heated, resulting exclusively the salt as the water evaporizes -The sand was then weighted after a night Results heading name Mass (grams) Beaker 60Beaker + Mixtures 86. 3 Beaker + Mixtures+Water 102. 7 Water 16. 4 Mixtures 26. 3 Filter paper 0. 5 Evaporating disk 34. 8 crystalized Salt 0. 87 Analysis Sand + salt + water = 25. 74 grams % composition % of salt % of sand % of Water Discussions -Gravimetric analysis can only be applied on the experiment if it involves mearusing the mass of the objects or substances that are used in the process -The cause of inaccuracy in this experiment could be the wrong measurement of the water added, the salt substance that didnt proceed soluted by the water because of the amount of the salt is more that the solubility rate of water can take. avoid inaccuracy in the records, precise measurements of every undivided thing is required, concentration on the process, and correct mathematical calculations. Conclusion unconstipated if the inaccuracy of the gravimetric analysis is inevitable, the percent composition that can be pulled by means of the calculation gives us a better picture of how much each substance is in a mixture. Correct separation techniques are withal used, which means separation process affects the result greatly.