How many mL of 0.115 M NaOH will react with exactly with 22 mL of a 0.210 M solution of H2SO4 (3 SF) 2 NaOH (aq) + H2SO4 (aq) --> Na2SO4 (aq) + 2 H2O (l)

What weight of potassium hydrogen phthalate will require 30. mL of a 0.30M NaOH solution to reach the equivalence point? KHP MM 204.22 g/mol .CO;K' .CO;K' NaOH + H2O + *CO,H COƠ,Na'

Determine the number of grams of PbCl2 produced from 100.0 ml of 0.20 M Pb(NO3)2 and sufficient NaCl in the following precipitate reaction  2 NaCl + Pb(NO3)2 --> PbCl2 + 2 Na(NO3)   Could you please solve by filling in the blanks in the image.

A 0.3749 g soda ash sample is analyzed by titrating sodium carbonate with the standard 0.2388M HCl solution, requiring 49.38ml. The reaction is:                    CO32-  + 2H+       →      H2O  +CO2Calculate the percent sodium carbonate in the sample.

10. If 29.50 mL of 0.175 M nitrous acid neutralizes 50.0 ml. of harium hydroxide, what is the molarity of the base? 2HNO;(aq) + Ba(OH);(aq) Ba(NO:)(aq) + 2H;O(1)

The following net ionic equation represents the reaction between the hydrogen phthalate ion, HC8H4O4–, and hydroxide ion.                HC8H4O4–(aq)  +  OH–(aq)  -->  C8H4O42–(aq)  +  H2O(l)    A 40.0 mL solution of 0.100 M potassium hydrogen phthalate, KHC8H4O4, is titrated with 0.100 M NaOH. After 50.0% of the molar quantity of the hydrogen phthalate ion, HC8H4O4–, is reacted and converted to its conjugate base, the resulting solution is found to have a pH of 5.398. What is the Ka of the hydrogen phthalate ion, HC8H4O4– ?             (A) 4.00 x 10–5           (B) 4.00 x 10–6           (C) 2.50 x 10–9           (D) 1.60 x 10–10

A phosphate buffer contains KH2PO4 and K2HPO4. What is the net ionic equation for the buffering reaction that occurs when some HCl is added to the buffer solution?           (A) H2PO4–(aq)  +  Cl–(aq)  -->  HPO42–(aq)  +  HCl(aq);           (B) H2PO4–(aq)  +  H3O+(aq)  -->  H3PO4(aq)  +  H2O(aq);           (C) HPO42–(aq)  +  Cl–(aq)  -->  PO43–(aq)  +  HCl(aq);           (D) HPO42–(aq)  +  H3O+(aq)  -->  H2PO4–(aq)  +  H2O(aq);

Please answer in that format

How many mL of 6.0M HCl solution are required to react with 0.050g Mg, in the reaction:  Mg(s) + 2HCl(aq)-->MgCl2(aq) + 2H2(g)

A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 42. mg of oxalic acid (H,C,0.), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with her sodium hydroxide solution. When the titration reaches the equivalence point, the student finds she has used 46.1 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Round your answer to 2 significant digits. |x10 M