A scientist in the Narcotics Section at the Crime Lab receives a mysterious white powder for evidence. Provide a detailed plan of what tests he would run on the powder, what possible initial results he could find, and how he would confirm any of those initial results

Q: Assume that vinegar is 5% acetic acid (by mass) at a density of 1.01 g mL-1.  This means that 100 mL…

A: The answer is given below

Q: How to write a chemical equation for transition metal ions found in a solution?  The ions found were…

A: Given : solution of Co2+ (aq) and Cu2+ (aq). 1) Adding NaOH : Since addition of NaOH will bring OH-…

Q: Write a balanced chemical equation showing how each metal reacts with HBr HBr. Rb Rb Express your…

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

Q: A sample of feldspar (feldspars are the most abundant mineral group on Earth) was analysed that…

A: From a sample of feldspar weighing 1.0600 g, a mixture of chlorides of sodium and potassium was…

Q: The hydrated salt, MY3.XH2O, was heated strongly in a crucible to remove all the water molecules of…

A: From the given information , we have,         Mass of empty cruicible and cover, m1 = 28.86 g…

Q: 1)A solution of Na2CO3 is prepared by dissolving 0.511 g of the solid in approximately 30 mL of…

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

Q: Based on this information, what was the mass of the sample before and after heating? (Grams)

A: Mass of sample before heating = 31.909 - 30.453 = 1.456 gm

Q: Two aqueous solutions of KBr and AgNO3 are mixed. Write out what major chemical species will be…

A:

Q: Suppose 2.01g  of sodium nitrate is dissolved in  350.mL  of a  31.0mM  aqueous solution of…

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Q: 6. A student reported the following percentages for his unknown mixture: 25% NH4CI, 30% NaCI, and…

A:

Q: Give 5 examples of any organic compound which changes in the same way as sugar and benzoic acid when…

A: Sugar and Benzoic acid are both organic compound having made of carbon and hydrogen as skeleton .…

Q: Mass Spectrometry of Molecular Compounds Mass spectrometry is not only used for isotopic evaluation…

A: The mass spectrum is a way/method used to identify the structure of unknown compounds. The…

Q: Suppose 13.8 g of potassium bromide is dissolved in 300. mL of a 0.30 Maqueous solution of silver…

A: Given that : The mass of potassium bromide = 13.8 g The volume of silver nitrate = 300 mL The…

Q: A student performs this experiment and determines that 1.12 grams of CO2 was lost, but based on…

A:

Q: You have a solid mixture that contains lithium bromide and barium carbona. Use the Handbook of…

A: Given that a solid mixture of two metal salts : lithium bromide (LiBr) and barium carbonate (BaCO3)

Q: A 1.00 mL sample of seawater is determined to contain 2.50 × 10-14 moles of dissolved gold. How…

A:

Q: Platinum is a precious metal that is used as a catalyst for many important industrial reactions.…

A: Platinum(IV) bromide, PtBr4 is completely dissociated in water to form 1 Pt4+(aq). Since Pt4+(aq)…

Q: You grab a soft drink bottle from your refrigerator. The contents are liquid and remain liquid even…

A: The phenomenon of contents of soft drink bottle remain liquid after removing from refrigerator and…

Q: Suppose you had a sample of a white crystalline solid that was a mixture of calcium carbonate and…

A: Calcium Carbonate is CaCO3 and Calcium Chloride is CaCl2. The mixture of Calcium Carbonate and…

Q: A student performs this experiment and determines that 1.15 grams of CO2 was lost, but based on…

A:

Q: Which piece of equipment would you use to measure 7.10 mL of CuSO4 (aq)?

A: The given information says that about 7.10mL of CuSO4 (aq) has to be measured. The given value is…

Q: You heat 2.53 grams of metallic mercury in air, which produces 2.73 grams of red-orange residue.…

A: The mass of oxygen that react with 2.53 g mercury is,

Q: For the analysis of unknown soda and vinegar samples, 25.0 mL soda and 1.0 mL vinegar samples were…

A: Given data,Mass of KHP=0.85gMolar mass of KHP=204.22g/molVolume of NaOH for…