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- A 17.5 mL sample of an acetic acid (CH3CO2H) solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was __________ M.Calculate the pHpH of a solution in which one normal adult dose of aspirin (6.3 ×102mg×102mg) is dissolved in 0.22 LL of water. pKa of 3.5Why does m&ms candy dissolve faster in the water than the vinegar and sodium bicarbonate?
- fine the mass (g) of the solute 135ml of 2.01M HNO3A HNO3 solution has a sp.gr. of 1.42 and is 70.0 % (w/w) HNO3 . How many ml of this solution is needed to prepare 250. mL of 1.00 M HNO3?What is the [C5H4NCO2−] in a solution which is 0.1989 M in C5H4NCO2H and 0.1148 M in HNO3? C5H4NCO2H(aq) + H2O(l) → C5H4NCO2−(aq) + H3O+(aq) Ka = 1.5000e-5
- What is the percent hydrolysis of a 100.0 mL 0.0520 M NaCN solution if Kw = 1.00x10^-14 and Ka(HCN) = 4.00x10^-10?10ml of a solution of HCl required 12.5 ml of .4M Ba(OH)2 for complete neutralizaiton. how many moles of HCl were present in the sampleGive only typing answer with explanation and conclusion How many mg of NaCl is needed to make 15 mL of a 1% solution of naphazoline HCl isotonic with tears? (naphazoline HCl ΔTf1%=0.16°C) Report numerical answer rounded to a whole number.
- I need to make a carbonare standard for lav what is the molarity of the carbonate if i dissolve 55.6186 grams of Al2(CO3)3 in 500 mL of water?What is the [OH−] of a solution which is 0.1770 M in C5H5NH2 and 0.1897 M in C5H5NH3Br? C5H5NH2(aq) + H2O(l) → C5H5NH3+(aq) + OH−(aq) Kb = 1.8000e-9I have 100 mL of 5M HNO3. What will the concentration be when I dilute it to 1 L ?