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Question- A .2817 sample of KHP (MW 204.22 g/mol) required 19.68 mL of NaOh to reach with the phenolphthalein end point. Calculate the molarity of the NaOH solution
A volume of 19.55 mL of the NAOH solution described in the previous question was needed to titrate 15.06 mL of acetic acid to the
phenolphthalein end point. Find the concentration of the acetic acid solution.
Please answer only if you are 100% confident
Problem- Ammonia gas is synthesized by combining hyrdogen and nitrogen. If you want to produce 562g of NH3, what volume of H2 gas at 56 degree Celsius and 745 mmHg is required? (r=0.08206 L(atm)/ mol(K), also assume the reaction is not an equilibr..
Write the net ionic equation for the precipitation of chromium(III) hydroxide from aqueous solution
During this process, 346 J of work was done by the system and its internal energy 9185 J. What is the specific heat of the gas?
At 80 °C the vapor pressures of pure liquids X, Y, and Z are 385, 190, and 66 mm Hg, respectively. What pressure must be exerted on the surface of a solution
assume you have a solution that is 0.020m in both cd2ions and ni2 ions. if you add sulfide ions cds and niswill
The wave function for the ground state of the quantum harmonic oscillator
Determine How many moles of Fe 3 O 4 could be formed if 9.00 mol iron react with 12.00 mol Oxygen and determine How many grams of methane is required to form 45.5g CHcl 3 ?
an antique automobile bumper is to be chrome plated. the bumper which is dipped into an acidiccr2o7-2 serves as a
compatible combination was titrated with 0.1021M standardHCl. It took 20.97mL to reach the phenolphthalein end point and 42.00mL to reach the bromocresol greenend point.
A 45.8 mL sample of a 5.8 M KNO3 solution is diluted to 1.00 L. What volume of the diluted solutions contains 15.0 g of potassium nitrate
What's the purpose of acetic acid and sodium acetate in the lab bromination and debromination of cholesterol?
From a consideration of the Lewis structure of the thiocyanate ion, SCN-, in which carbon has a double bond with both the sulfur and nitrogen atoms, the formal charges on the sulfur, carbon, and nitrogen atoms are, respectively,
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