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You standardize your NaOH solution by titrating a known quantity of sulfamic acid (H2NSO3H) standard. It requires 43.77 mL of the solution to reach the endpoint with 0.4855 g of sulfamic acid. What is the concentration of your NaOH solution?
Phosphorus, P, is combined with flourine F2, to give a gaseous compound with the formula PFx. If you start with 2.982 grams of P and isolate 12.129 grams of PFx, what is the value of x?
What is the ratio of the conjugate base concentration to the acid concentration, that is, [B- ]/[HB] when the indicator switches to the acidic color
Find the de Broglie wavelength (in nm) associated with an electron that is moving with a velocity of 1900 km/s. The electron rest mass is 9.11 x 10-31kg.
How many molecules of oxygen react with 133 molecules of acetylene (HCCH) to produce carbon monoxide and water
Energy in the amount of 421 J is added to a 69g sample of water at a temperature of 23.0 C. What will be the final temperature of the water?
explain how branched-chain fatty acids affect the fluidity of membranes and rank the following fatty acids in the order
ammonia gas is synthesized according to the balanced equation below.n2g 3 h2g -gt 2 nh3gif 2.50 l n2 react with 7.00 l
calculate the poh and ph at 298k of solutions having the following ion concentrations.oh 1.3 times 10 to the negative
Write a net ionic equation for the reaction that occurs when sodium sulfite (aq) and excess nitric acid (aq) are combined. Note: Sulfites follow the same solubility trends as sulfates.
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
A solution contains 29 g of sucrose (C12H22O11), a nonelectrolyte, dissolved in 929 g of water. What is the boiling-point elevation?
The pH of 1.00L of the buffer containing 1.00M CH3C00Na and 1.00 M CH3COOH after addition of .080 mole NaOH is
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