Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Calculate the mass of solid need to make the solution and then prepare the solutions. Explain the steps you took in making the solution.
1. 100ml of a solution that is 0.7m in chloride anion, using magnesium chloride.
2. 500ml of a solution that is 0.25 in sulfate anion, using sodium sulfate decahydrate
The solubility of O2 (g) in water is 4.43mg O2/100 g H2O (20ºC and 1 atm). What is the molarity (M) of this saturated solution?
A reaction yields a colored product and the absorbance at a given wavelength increases at 0.2 per minute. The molar absorbtivity of the product is 4.0 ?M-1cm-1. What is the rate of product formation. Use correct units.
What amount of HCl gas must be added to 1 L of a buffer solution that contains [acetic acid]= 2.0 M and [acetate]= 1.0M in order to produce a solution with a pH of 4.26
Zinc carbonate hydroxide contains 59.55% zinc by mass. Calculate the molecular weight (molar mass) of zinc carbonate hydroxide. (There are 5 atoms of zinc in every unit of zinc carbonate hydroxide.)
The compound has a molecular formula of C7H14O2. Draw the structure from the following NMR data: Ha=1H 1.2 ppm Hb=3H 1.3 ppm Hc=4H 4.1 ppm
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
The ion-product constant for water is 1.0x10^-14 at 25 degrees Celsius and 3.8x10^-14 at 40 degrees Celcius. Is the forward process endothermic or exothermic. H2O is equal to H+ + OH-
If a solution containing 61.402 g of mercury(II) perchlorate is allowed to react completely with a solution containing 17.796 g of sodium sulfate, how many grams of solid precipitate will be formed?
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and phosphorus.
On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name.
Calculate the max wavelength of light (in nm) required to ionize a single lithium atom, knowing that the ionization energy of lithium is 520 kJ/mol
H2SO4, for the first step instead of concentrated HNO3 . What changes will be observed for the initial reaction with copper metal?
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd