What was the concentration in original undiluted solution
A 10 mL sample of a solution of Pb(ClO3)2 was diluted with water to 170 mL. A 100 mL sample of the dilute solution was found to contain 0.021 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution?
Expected delivery within 24 Hours
Suppose that the microwave radiation has a wavelength of 12 . How many photons are required to heat 275 of coffee from 25.0 to 62.0 ?
Drivers are concerned with the mileage obtained by their cars. One driver has kept track of several tankful of gasoline by recording miles driven and gallons used for each tankful. Develop a c++ program that uses a while statement to input the
A balloon is filled to a volume of 7.0 102 mL at a temperature of 39.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon?
The plates of a parallel plates capacitor are 5mm apart and2m2 in area,the plates are in a vacum.a potential difference of 10000 volts is applied across the capacitor.calculate.(1)the capacitance,(2)the charge on each plates,(3)the electric
A 100 mL sample of the dilute solution was found to contain 0.021 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution?
The hydrogen spectrum has a red line at 656 nm and a blue line at 434 nm. What is the first order angular separations between these two spectral lines obtained with a diffraction grating that has 4500 lines per centimeter?
The rate constant k for a first order reaction is 1.36 * 10 -3 s -1 at 90 degrees Celcius and the activation energy is 78.4 kJ/mol. What is the rate constant for this reaction at 50 degrees Celcius?
Ultisols are an important soil order in this group of soils. Describe the typical profile of this soil order paying particular attention to features that directly influence soil and water management . Indicate how these features may influenceland
A sample of magnesium metal will combust completely in air according the following reaction:
1933067
Questions Asked
3,689
Active Tutors
1427352
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Define cultural competence. Explain the importance of Cultural competence in our profession. Provide examples.
Critical reflection of your growth and development during your practicum experience in a clinical setting has the benefit of helping you to identify opportuniti
What are the goals of a patient interview? Name and describe each component of Patient History: (Chief Complaint, History of Present Illness, etc.).
Explain the fertilization process from the cellular level to the fetus. After learning about the fertilization process and according to nature and objectively,
Explain the difference between spontaneous and procured abortion. As well as their Ethical impact of each one.
Select either lymphedema or elephantiasis and: 1. Discuss its pathophysiology, including contributing factors and underlying mechanisms.
This assessment provides an opportunity for you to develop a presentation for your practicum organization, which provides an overview of ethical standards