Sodium hydrogen carbonate (NaHCO3), also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Acid indigestion is the burning sensation you get in your stomach when it contains too much hydrochloric acid (HC1), which the stomach secretes to help digest food. Drinking a glass of water containing dissolved NaHCO₂ neutralizes excess HC1 through this reaction: HCl(aq) + NaHCO3(aq) → NaCl(aq) + H₂O(l) + CO₂(g) The CO₂ gas produced is what makes you burp after drinking the solution. Suppose the fluid in the stomach of a man suffering from indigestion can be considered to be 50. mL of a 0.081 M HC1 solution. What mass of NaHCO3 would he need to ingest to neutralize this much HC1 ? Be sure your answer has the correct number of significant digits.

using this balanced equation CaCO3(s) + 2 HCl(aq) ----> H2O(l) + CO2(g) + CaCl2(aq) Stomach acid is 0.100 M HCL. An active ingreident found in antacids such as Alka Seltzer is calcium carbonate, CaCO3. Calculate grams of calcium carbonate needed to react with 80 ml of stomach acid.

A sample weighing 1.731g contains a mixture of the triprotic citric acid, H3C6H5O7 and sodium sulfate, Na2SO4. The sample mixture was dissolved in water and then titrated with a 0.3550 M sodium hydroxide solution. It required 28.32mL of the base to completely neutralize the citric acid. What is the percent of sodium sulfate in the mixture?

A 0.261 g sample of NaHC2O4 (one acidic proton) required 17.5 mL of sodium hydroxide solution for complete reaction. Determine the molar concentration of the sodium hydroxide solution.

A 0.5504-g sample of KHP (potassium hydrogen phthalate, KHC8H4O4; molar mass = 204.22 g/mol) is completely dissolved in enough deionized water to make 50.00 mL of solution. The resulting solution is titrated with a NaOH solution of unknown concentration. If 21.50 mL of the base solution is needed to reach the end-point, what is the molar concentration of NaOH solution? The reaction occurs as follows:                 NaOH(aq)  +  KHC8H4O4(aq)  -->  NaKC8H4O4(aq)  +  H2O(l)               (A) 0.2457 M           (B) 0.1254 M           (C) 0.05390 M           (D) 0.03823 M

A scientist is investigating the solubility of two polyatomic ions, oxalate (C2O2−4C2⁢O42−) and arsenate (AsO3−4AsO43−), which are not listed in the table of solubility guidelines. The scientist starts with four solutions made of water-soluble salts. Solution A contains sodium arsenate. Solution B contains ammonium oxalate. Soution C contains silver chlorate. Solution D contains aluminum bromide. Solution Solute Color of Solution A Na3AsO4Na3⁢AsO4 colorless B (NH4)2C2O4(NH4)2⁢C2⁢O4 colorless C AgClO3AgClO3 colorless D AlBr3AlBr3 yellow The results of mixing each solution in pairs are shown in the table. Experiment Solutions Mixed Result 1 A + B no precipitate, colorless solution 2 A + C brown precipitate 3 A + D white precipitate 4 B + C white precipitate 5 B + D white precipitate 6 C + D yellow precipitate Identify the formula for each precipitate that forms. precipitate from A+C:   precipitate from A+D:   precipitate…

A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 30. 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 his sodium hydroxide solution. When the titration reaches the equivalence point, the student finds he has used 62.3 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Round your answer to 2 significant digits. x10

Which of the following is a balanced equation for a neutralization reaction? O Al(OH)3(s) + HCI ----> 3 H2O + AICI3(aq). O KOH(s)+ HNO3 -> H2O + KNO3(aq) -- Ca(OH)2(s) + HNO3 ---> 2 H2O + Ca(NO3)2(aq) O Mg(OH)2(s) + HNO3 ---> 2 H2O + Mg(NO3)2(aq) O2 Al(OH)3(s) + HCI ---> 3 H2O + AICI 3(aq)

Methanoic acid is also called formic acid. It has the chemical formula HCOOH(l). It is a colourless fuming liquid that is mainly used as a preservative. It exhibits the following equilibrium in water:HCOOH(aq) + H2O(l) → HCOO–(aq) + H3O+(aq) 1) A 4.50 g tablet of magnesium hydroxide neutralizes 400.0 mL of stomach acid, HCl. What is the concentration of HCl in the stomach?    PLEASE HELP WITH THIS ITS EXTREMELY URGENT

The spectator ions in the following are: Mg(OH)2(aq)      +            2 HCl(aq)                       →              MgCl2                    +            2 H2O     2 H+  and 2 Cl-     Mg2+   and  2 (OH)-     Mg2+  and  2 Cl-     2 H+  and  2 (OH)-