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Problem- If 9.75 mL of 102 M NaOH is required to reach the equivalence point of a solution of phosphoric acid H3PO4, how many mL of NaOH are required to completely neutralize the acid?
Please provide the balanced reaction.
Calculate the molality H3PO4 in the solution and Water is the solvent and the molarity of H3PO4 in the solution and the number of ml of the 85% H3PO4 that is required to make 800 ml of 2.00 M H3PO4?
How many moles of carbon monoxide are present in the product gas. How many moles of water vapor are present in the product gas. How many moles of oxygen are present in the product gas. How many moles of nitrogen are present in the product gas.
Na3AlF6(l) 3 Na(l) + Al(l) + 3 F2(g) Define what is the concentration of F2 over a bath of molten cryolite at this temperature. 8 1017 M 3 10-35 M 6 10-74 M 8 10-312 M 5 10102 M
What information is gained from VSEPR analysis? What is Valence Bond Theory?
a) Write the balance equation for the reaction. b) How many moles of O2 are needed to completly react with 4.0 mol of C2H6O? c) If a car produces 88 g of CO2, how many grams of O2 are used up in the reation
The time of diffusion of lighter gas is 2 , and heavier is 3, if the mass of lighter one is 8 find out the mass of heavier.
What is the concentration of in mass percent? An aqueous solution has a vapor pressure of 81.9 at 50 . The vapor pressure of pure water at this temperature is 92.6.
Pt(NH3)2cl2+h2o yields pt(NH3)2(H2o)cl+cl- has a rate that increases by a factor of 15 and a temeprature that inceases from 25 tp 50 degrees celsius what is the value of Ea?
The horizontal end of length L is closed but the vertical end is open to the atmosphere. A fluid of density (p) fills the tube to a height H and the tube is rotated about the vertical axis at rotational speed w. Find the gage pressure at the close..
You weighed out 204 mg of maleic anhydride. Which volume of 2,3-dimethylbutadiene will you need to add? The answer should be in mL with three digits after the decimal point.
A 10.00mL aliquot of a weak base is titrated with HCL. The equivalence point is reached after 17.21mL of 0.4332 mol/L HCL has been added. The pH is equal to 10.03 after 5.00mL of HCL was added. Determine
1 why is uvvisible spectrophotometry most often used for screening rather than for confirmation?2 at ph 9.2 seconal
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