How many moles of potassium ions are in 360. g alum?    (b) What is the mass % S in alum (to 3 significant figures)?    (c) What is the maximum amount of alum (in metric tons) that can be prepared from 12.6 metric tons of scrap aluminum

Q: 3. A student carried out the synthesis of aspirin as described using 3.00 g of salicylic acid and…

A: #3: Mass of salicylic acid (MW = 138.12 g/mol) used = 3.00 g  Volume of acetic anhydride used, V =…

Q: Iron metal reacts with hydrochloric acid as follows: 2Fe(s) + 6HCI(aq) →2FECI,(aq) + 3H,(g). If 22.4…

A:

Q: When gaseous nitrogen and gaseous hydrogen are reacted at high temperatures in the presence of a…

A: The reaction in the problem is the formation of ammonia from nitrogen and hydrogen.…

Q: What mass in grams of nitric acid is required to react with 240 g C;H,? Express your answer with the…

A:

Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…

A: The mass percentage of an element in a particular compound can be found by dividing the atomic mass…

Q: A crucible is placed on a balance and is found to have a mass of 26.639 grams a sample of…

A: Mass of crucible = 26.639 g Mass of crucible + mass of Na2SO4·xH2O = 27.085 g Therefore mass of…

Q: alt. Because the protein solubility depends on the total ion conce alts yielding doubly charged ions…

A: Mass of NaCl = 67.1 gram Moles of NaCl = mass/molar mass = 67.1 gram /58.44 g/mol = 1.148 mol NaCl…

Q: Calculate the Molarity: (a.) 79 g of CuSO4 · 5H2O in 3.8 L of solution (b) 2.91 mol of CaCl2 in…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. So,…

Q: When the following equation is completed and balanced, what is/are the product(s)?…

A: Balanced reaction:

Q: Consider the balanced chemical reaction shown below. 2 CHg(a) + 9 020) - 6 CO,(0) + 6 H20() In a…

A:

Q: The balanced equation for the reaction of aluminum metal and chlorine gas is 2AI(s) + 3Cl,(g) →…

A: The limiting reactant is the reactant which is totally consumed after the completion of the…

Q: If 1.12 g of phosphorus acid were dissolved in 100.00 ml of H₂O, what is the concentration of the…

A:

Q: What amount in moles is 4.77x10^25 (to the power of 25) molecules?? 1.2.87x10^49 mol 2.79.2 mol…

A: Molecules = 4.77 x 1025

Q: 1.08 g Epsomsalt (or hydrated magnesium sulfate)is heated,and 0.57g of dried Epsom…

A: Given: 1.08 g Epsomsalt (or hydrated magnesium sulfate)is heated and 0.57g of dried Epsom…

Q: A crucible is placed on a balance and is found to have a mass of 26.639 grams a sample of…

A: Since on heating the compound, the mass of water will be lost as it will get vaporised  Hence the…

Q: 1. A solution containing 18.6 g of chromium(II) chloride is reacted with a 15.0-g piece of zinc to…

A: Given, Mass of chromium (III) chloride (CrCl3) = 18.6 g mass of Zinc (Zn) = 15.0 g Note:  molar mass…

Q: Determine the molarity of each of the following solutions: (a) 1.457 mol KCl in 1.500 L of solution…

A: Molarity= moles of solute/volume of solution(in litres). a) Molarity of KCl solution= moles of Kcl /…

Q: 14. The following reaction occurs and 9.81 x 10 CO, molecules are produced. C,H12O6(s)+O2(g) CO (g)…

A: The given reaction is : C6H12O6(s) + O2(g) →CO2(g) + H2O (l) CO2 molecule produced = 9.81×1025 The…

Q: 30. The active ingredient in some antiperspirants is aluminum chlorohy- drate, Al₂(OH), Cl. Analysis…

A: Given - mass of sample of antiperspirant= 2.000g             mass of aluminum = 0.334 g

Q: In one reaction, 0.308 moles of SiCl4 is produced. How many miles of molecular chlorine were used in…

A:

Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…

A: The mass percentage of an element in a particular compound can be found by dividing the atomic mass…

Q: A student synthesizes tin oxide to create a compound with generic formula SnxOy. She does this by…

A: Given : mass of product = 39.10 g           Mass of oxygen= 30.80 g  Molar mass of oxygen= 15.999…

Q: (b) In the reaction below, 89.2g of O2 was fully reacted. formed. The relative formula masses are…

A: Given; The reaction is as follows; S8 + 8O2---------> 8SO2. The mass of O2 used in the reaction =…

Q: 30. The active ingredient in some antiperspirants is aluminum chlorohy- drate, Al₂(OH),Cl. Analysis…

A: To calculate percent by mass , we need 5o calculate the mass of aluminum chlorohydrate.  For this we…

Q: Determine the percentage by mass of each element in the following compounds. (Round your answers to…

A: Percentage by mass  = (Mass of element in 1 mole of compound/molar mass of the compound) × 100%…