Calculate the pH of a solution containing 0.70 M HNO2 and 0.40 M NaNO2. The K,...
1) Calculate the pH of a solution that is 1.00 M HNO2 and 1.00 M NaNo2? 2) Calculate the pH after .10 mol NaOh is added to 1.00 L of the solution ?
5. Please calculate the pH of a solution containing 0.40 M CH,COOH and 0.70 M CH3COONa (K, acetic acid = 1.8 X 10"): CH3COOH + H+ + CH3COO CH3COONa → CH3COO + Nat 6. The molar solubility of tin(ll) iodide is 1.28 x 10-2 mol/L. What is Ksp for this compound?
Calculate the pH of a 0.263 M solution of NaNO2. The ionization constant, Ka, for the acid, HNO2, is 4.60×10−4. pH=
What is the pH of a solution prepared to 0.040 M NaNO2. Ka HNO2 = 7.1 x 10-4
6. Calculate the pH of 0.010 M HNO2 solution. The K, for HNO2 is 4.6 x 104 Answer: pH = 2.72
1.) a buffer solution is 0.453 M im HNO2 and 0.339 M in NaNO2. If Ka for HNO2 is 4.5x10^-4, what is the pH of this buffer solution? pH = ???? 2.) A buffer solution is 0.373 M in H2C2O4 and 0.303 M in KHC2O4. If Ka1 for H2C2O4 is 5.9x10^-2, what is the pH of this buffer solution? pH = ???? 3.) a buffer solution is 0.333 M in KH2PO4 and 0.248 M in K2HPO4. If Ka for H2PO4^-...
Consider a 1.0-L solution that is 0.830 M HNO2 and 0.37 M NaNO2 at 25 °C. What is the pH of this solution before and after 0.011 moles of LiOH have been added? Ka of HNO2 is 4.5×10-4. initial pH: 3.7, final pH: 2.98. initial pH: 3.35, final pH: 2.98. initial pH: 3.0, final pH: 3.68. initial pH: 3.7, final pH: 3.72. initial pH: 3.0, final pH: 3.01.
A buffer solution consists of 0.10 M HNO2 and 0.20 M NaNO2. If 0.010 moles of sodium hydroxide are added to 200. ml the solution , what is the new pH of the solution (pKa (HNO2) = 3.40)?
What is the pH of a 1.00 molar solution of NaNO2(aq)? The Ka for HNO2 is 7.0*10^-4 (Please include how you solved the problem. Thanks!)
A 1.0-L buffer solution is 0.120 M in HNO2 and 0.185 M in NaNO2 1Determine the concentrations of HNO2 and NaNO2 after addition of 1.6 g HCl. 2.Determine the concentrations of HNO2 and NaNO2 after addition of 1.6 g NaOH 3Determine the concentrations of HNO2 and NaNO2 after addition of 1.6 g HI