(a) Using the equation from question 2 above and the numbers of moles calculated in question number 3 above, which reactant will be the limiting reactant? 4. KOH komuMUJAMO MLA So enl (b) How many moles of alum and H2 can theorctically (assume 100 % yield) be formcd? 2xmore Im Jm (d) How many grams of alum can thcoretically be formed? Based on this number and your actual yield, what is the percentage yield of alum produced in your experiment? -what we goi inexp Act Y % yield. X 100 Theor y \max amountI couldue producoo always basedO on limtin a react ield orontor than 100 % 2. Write answer to prelab question number 4 here after you compare your reaction with reaction (5) from the "CONCEPTS OF THE EXPERIMENT" section. aKOHaa) i 40H2SON99 → 34,6)+ aK aUsoHa 1240) 2 alls) +22H20Le)+ Calculate the number of moles of the chemical specified in each of the following: 3. QHachoo far Cale (a) H2SO4 in 5.0 mL of 9.0 M H2SO4 solution. O. 045 Moles (b) KOH in 12.5 mL of 1.4 M KOH solution. O.0175 mnoles (c) Water in 10 mL (about 10 g) of water. 0.555 moles (d) Aluminum present in the mass of aluminum you used in this experiment. 7859 Glum used in experiment O, 0103 moles 86

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Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.