The forensic technician at a crime scene has just prepared a luminol stock solution by adding...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 19.0 g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol? Express your answer with the appropriate units. Part B Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00x10-2 M. The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray? The forensic technician at a crime scene has just prepared a luminol stock solution by adding 19.0 g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol? Express your answer with the appropriate units. Part B Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00x10-2 M. The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray?
Expert Answer:
Related Book For
Posted Date:
Students also viewed these chemistry questions
-
How many moles of solute are present in 225 mL of a 1.44 M CaCl2 solution?
-
How many moles of MgCl2 are present in 0.0331 L of a 2.55 M solution?
-
How many moles of NH4Br are present in 88.9 mL of a 0.228 M solution?
-
Consider a situation wherein an exploration vehicle that has a mass of 250 kilogram on Earth ( gravityEarth = 9.8 m/s ) is sent to the Moon and planet Mars to explore their surfaces. What is the mass...
-
Attorney Edward M. Cooperman was retained to represent a client in a criminal matter. The client signed Cooperman's fee agreement: "My minimum fee for appearing for you in this matter is fifteen...
-
On May 28, 2022, Mary purchased and placed in service a new $60,000 car. The car was used 60% for business, 20% for production of income, and 20% for personal use in 2022. In 2023, the usage changed...
-
Eccentric Electric Ltd operates three selling departments mountain bike, road bike, and hybrid. Certain indirect expenses are allocated to the selling departments as follows. Required Prepare a...
-
Raintree Cosmetic Company sells its products to customers on a credit basis. An adjusting entry for bad debt expense is recorded only at December 31, the company's fiscal year-end. The 2010 balance...
-
Activity-based costing (ABC) is not just a cost collection mechanism, but rather more of an inventory valuation method. The main purpose for implementing an activity-based cost system is to try to...
-
Each of the flowchart segments in Figure 3-24 is unstructured. Redraw each segment so that it does the same processes under the same conditions, but is structured. a. D Yes NO Yes B? E? No F H C. Yes...
-
Which of the 12 Principles best addresses the project development approach of addressing the unique nature of each project in order to deliver value most effectively? Recognize, evaluate, and respond...
-
To succeed in international trade, it is crucial to know what to sell and how to sell a product or service. For example, a company that specializes in pork-based products would likely not find a...
-
Suppose that the two bones found belonging to the male in questions 13b and 13c were his ulna, which is 21 cm long, as well as his humerus, which is 30 cm. Calculate his height using both the ulna...
-
How do ecological disturbances, such as wildfires, invasive species invasions, and disease outbreaks, interact with ecosystem structure and function, and what are the implications for ecosystem...
-
The following is the trial balance of Cornwall Distributers Limited as at the 31 December 2019 Trial Balance as at 31 December 2019 300 000 $1 Ordinary shares 200 000 8% $1 Preference shares Share...
-
Assume that your parents wanted to have $140,000 saved for college by your 18th birthday and they started saving on your first birthday. They saved the same amount each year on your birthday and...
-
As the chief financial officer (CFO) for the hospital, you have now directed your attention to the financial aspects because you realize that it is crucial. Regardless of the challenges, you have...
-
Periwinkle Company is a multinational organization. Its Parts Division is located in Lavender Land, while its Assembly Division is located in North Orchid. During the current year Periwinkle Companys...
-
Lithium aluminum hydride, LiAlH4, is an important reducing agent (an element or compound that generally has a strong tendency to give up electrons in its chemical reactions). Write the electron-dot...
-
Prior to Carotherss work, the structures of materials such as rubber, silk, and wool were thought by some to be aggregates of small molecules held together by unknown forces. How did Carotherss work...
-
For each of the following molecular formulas, draw the most reasonable skeleton structure. a. CH2Cl2 b. HNO2 c. NOF d. N2O4 What rule or concept did you use to obtain each structure?
-
LDDS continued to publicly report increasing profits and sales in the financial statements, which allowed it to acquire more companies with no limit to the growth of its stock price. True/False
-
LDDS suffered from high fixed costs coupled with a lack of technical knowledge and expertise in optimizing the configuration of circuits, which resulted in high line costs. True/False
-
WorldCom overstated its earnings by improper accounting for multiple element contracts. True/False
Study smarter with the SolutionInn App