Explain the molarity of the stock solution of luminol

Assignment Help Chemistry
Reference no: EM13318934

The forensic technician at a crime scene has just prepared a luminol stock solution by adding 17.0g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol?

Reference no: EM13318934

Questions Cloud

Explain the technician must dilute the luminol solution : Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00×10^?2 M . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are prese..
Write the equation for the new budget constraint : Write the equation(s) for the new budget constraint
Calculate the water pressure and velocity on the top floor : Water at a pressure of 13 atm, at street level, flows into a building at 3m/s through a 6 cm diameter pipe. The pipe tapers down to a 2 cm diameter by the top floor 50 m above.
Evaluate the number of moles of no2 produced : NO(g) + O2(g)-------- 2NO2 0.85 mol of NO is mixed 0.494 mol of O2 Calculate the number of moles of NO2 produced and Limiting reactant
Explain the molarity of the stock solution of luminol : The forensic technician at a crime scene has just prepared a luminol stock solution by adding 17.0g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol
What annual volume savings will wastewater achieve : The Pomdeterra wastewater treatment plant produces thickened sludge that has a suspended solids concentration of 3.8 percent. They are investigating a filter press that will yield a solids concentration of 24 percent.
What is the value of the capacitance in micro farads : When an uncharged parallel-plate capacitor is connected to a 50.0V battery, it is noticed that 22.0 microColumbs of charge flowed out from the + terminal of the battery, What is the value of the capacitance, in Micro Farads
What would be its de broglie wavelength : An electron is accelerated from rest through a potential difference of 2.50 kV. What would be its de Broglie Wavelength
Explain element phosphorus occurs as tetratomic molcules p4 : Element phosphorus occurs as tetratomic molcules P4. what mass of chlorine gas needed to react completely 963 gm of phospheras to form phospheras pentachloride

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the melting point of a pure compound

The melting point of a pure compound is 152-153 C. Describe the melting behavior for this compound if it is contaminated with 5% of an impurity.

  Explain what is the final state of the hydrogen atom

It then gives off a photon having a wavelength of 1740 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.

  State basic and before the equivalence point

25.0mL of a 0.100M solution of NH3 is titrated with 0.150M HCl. After 10.0mL of the HCl has been added, the resultant solution is: a) basic and before the equivalence point

  Explain what is the molarity of the hcl solution

reacts with excess Mg to produce 4.20L of H2 gas at 745 mmHg pressure and 35 degrees celcius. What is the molarity of the HCl solution?

  Find out of angiotension ii sequences

We know Pro can interrupt an a-helix, chemically, do you think it will cause any unusual problems in the determination of, angiotension II sequences? Explain.

  Define what is the change in internal energy of a system

What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 5.60 * 10^2 cal of work done on it?

  State a formula for the lowest molecular weight compound

Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, is a chiral compound, contains ONLY one functional group,

  Determine the final ph of a solution

Determine the final pH of a solution that is prepared by mixing 25 mL of 0.15 M sodium hydroxide( NaOH )with 20. mL of 0.20 M HA,( a weak acid with Ka = 2.3 x 10-6)?

  Explain entropy change in the system is positive

Predict whether the entropy change in the system is positive, negative or close to zero for each of the following processes

  Explain the following reaction

consider the following reaction: 2 A(g) + B(g) 3 C(g) + D(g) Please determine Kc if 6.0 moles of A is added to 6.0 moles of B in a 2.0 L yields 0.10 moles of D at equilibrium.

  State equation for the preparation of the diazonium ion

balanced equation for the preparation of the diazonium ion that i have made. draw possible structure for the azo dye.

  Explain the compound mgso4 is called epsom salts

The compound MgSO4 is called Epsom salts. How many grams will you need to prepare a bath containing 5.80 moles of Epsom salts? Express your answer using three significant figures.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd