Identify which balance was used to make each mass reading. 0.90g  1.230g 4.0000g 5.43g 6.539g   possible choices: +-0.01g tolerance, +-0.001g tolerance,+-0.0001g tolerance

Q: 750 g potassium iodide 237 mL per bottle Potassium 950 g elemental iodine 1.5 kgs potassium…

A: A numerical problem based on stoichiometry, which is to be accomplished.

Q: Nor 99 Nor 99 Nor Bra Bra Homepa Homep G Am ь Му W KM O 200 В Нус O AP 15. G The G AO Q AP + A…

A:

Q: I need help in calculating the total mass of the unknown #2 sample of copper. The following chemical…

A: The given equations are: 2 Cu2+ + 4 I-  ----> 2 Cus + 2 I2  I2 + 2 S2O3-2 ----> 2 I- +S4O6-2…

Q: The mass of 4.375 x 1016 molecules of compound with the molecular formula C3H9N is ______ g. Report…

A:

Q: How can we calculate the percent error for each sample? And energy content in units based on mass…

A: 1) The percent error for each sample. 2) Energy content in units based on mass and temperature.

Q: Was your average experimental mass percent of oxygen in potassium chlorate higher or lower than the…

A: One mol KClO3 contain 3 mol of oxygen and 1 mol of K and 1 mol of Cl Molecular mass of KClO3 = 122.5…

Q: According to the following reaction, how many moles of nitrogen monoxide will be formed upon the…

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Q: Following the directions in the laboratory manual, you create Standard 2 by transferring the…

A: Calculate the total volume of mixture of solution in the test tube. i.e.…

Q: or posting it 8) Because of the high heat and low humidity in the summer in requires about one quart…

A: Given: 2 miles of travelling on foot requires=1 quart of water. We are given that, 1 mile = 1.609…

Q: Data Set (all ±0.001g) Mass Mass ID Mass of Mg| ribbon /g Trial crucible + crucible + lid + lid /g…

A: The question is based on the determination of composition of the product obtained. systematically,…

Q: Pre-Heat Item Crucible Lid Crucible Crucible & Lid Crucible Lid & Sample Sample (Preheat)…

A: During the crystallization of a solid some water molecules remain in the structure of the solid.…

Q: an empty 25.00 ml vometrc flask weigh 20.02g one filled with unkown the flask weighs 34.45g what i…

A: The given question involves determining the density of an unknown substance contained in a…

Q: Choose the one correct or one incorrect statement regarding the technique of weighing by difference:…

A: Weighing by difference is a technique that measures quantitatively the mass of a solid sample. It is…

Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

A: Significant number: The non-zero digits are all significant. Among non-zero digits, there are large…

Q: balance this 2Al+2KOH+4H2SO4+24H2O---->

A: We have to balance given equation 2Al+2KOH+4H2SO4+24H2O---->

Q: Test Tube #2: Unknown sample (KCLO3 + KCL) 1. Determine the weight of unknown heated. 2. Determine…

A: In the presence of a MnO2 catalyst, KClO3 decomposes to form potassium chloride and oxygen gas on…

Q: Table 3.4. Standardization of NaOH solution. Conditions Trial 1 Trial 2 Primary standard Weight of…

A: The neutralization of KHP (potassium hydrogen phthalate) using NaOH occurs when the gram equivalents…

Q: An allergen preparation requires adding 0.1 cL of an allergen solution to 2.5 mL of normal saline.…

A: Volume of allergen solution (V1) = 0.1 cLVolume of normal saline solution (V2) = 2.5 ml

Q: Mass of the coin determined Trial 1 Trial 2 Trial 3 Trial 4 using the top-loader balance 2.100 250…

A:

Q: Convert the concentration of 0.700M Na,SO, to g/mL

A: Given  Molarity of Na2SO4   = 0.700 M                                    =  0.700 mole / Liter…

Q: best value for percent purity and how did you arrive at the best value

A: The best value is calculated from the average of the good data values.

Q: if you diluted the amount of ferric nitrate to 20.0m of 6.0X10-4 M then you would need to weigh 4.8…

A: if you diluted the amount of ferric nitrate to 20.0m of 6.0X10-4 M then you would need to weigh 4.8…

Q: At what stage was the internal standard added to the prepartions, in the protocol of this…

A: Step : 1             The required answer for the above question is follows as :

Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

A: Given: Mass of mixture is 20.100 g. Mass of initial filter paper 21.206 g. Mass of filter paper and…

Q: Data Sheet II. Delivering Solution from the Buret (1) final buret reading, mL (2) initial buret…

A: Given data is:

Q: The following prompt will be used to answer the first six questions. An experiment was performed to…

A: Given :

Q: Mass of Container + Sample 2.70 Mass of Container 1.95 48.00 % of Sand % of Ammonium Chloride 16.00…

A: Given: (1) Mass of container + sample = 2.70 g (2) Mass of container = 1.95 g   (3) % sand = 48.00…