A first aid manual suggests that vinegar should be used to treat wasp sting and baking soda for bee stings. (i) What does this information tell you about the chemical nature of the wasp stings(ii) If there were no baking soda in the ouse, what other household substance could you use to treat bee stings?

Q: In a titration experiment, a chemist finds that a 25.0 mL solution of aq. HCl requires 51.3 mL of…

A: n-factor of HCl, nHCl = 1 Molarity of HCl, MHCl = ? Volume of HCl, VHCl = 25 mL = 0.025 L n-factor…

Q: What volume, in mL, of 0.172 M HCl is needed to neutralize 25.0 mL of 0.283 M Ba(OH)2? Express your…

A:

Q: What volume (in mL ) of 0.160mol / L calcium hydroxide , Ca(OH) 2 (aq) , is needed to completely…

A:

Q: 2.) Vinegar is an aqueous solution (homogenous mixture) of acetic acid and water (aqueous= "aqua"=…

A: Therefore, from the question, Grams of acetic acid = 5 x 25 g acetic acid solution / 5% acetic acid…

Q: By titration, it is found that 56.9 mL of 0.142 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: A student wishes to prepare 125-mL of a 0.172 M nickel(II) sulfate solution using solid nickel(II)…

A: Given information, Volume of solution = 125 mL Concentration of the solution = 0.172 M   Molarity of…

Q: A 1000 mL sample of seawater was found to have contained 40 ?g of Hg2+ ions. What is the…

A: This question is related to stoichiometry. In this question, volume and density of seawater sample…

Q: You want to analyze a cider that contains 5.6 g / L of lactic acid. If you have two NaOH solutions,…

A: The molar mass of lactic acid =90.08 g/mol Mass of lactic acid = 5.6 g/L

Q: 4. You have a solution of 0.2064 M cobalt(II) chloride. (a) How many moles of solute are contained…

A:

Q: 2.) 4.75 mL of H20, 3.75 mL of an aqueous 0.030 M SCN" solution, and 12.00 mL of an aqueous 0.015 M…

A: We write down the given data: Initial concentration=0.015M  Initial volume=12.00ml Final…

Q: You have a solution of 0.1609 M zinc(II) chloride. (a) How many moles of solute are contained in…

A: Given: Molarity of solution = 0.1609 M Volume of solution = 47.13 ml = 47.13 × 10-3 L

Q: A standard dose of an over-the-counter cough suppressant for adults is 20.0 mL. A portion this size…

A: a) A standard dose of an over-the-counter cough suppressant for adults is 20.0 mL that contains 35…

Q: A student is given an antacid tablet that weighs 5.9200 g. The tablet is crushed and 4.8270 g of the…

A: Given : Volume of NaOH required to neutralise stomach acid after antacid = 11.7 mL And volume of…

Q: A student needs exactly 25.0 mL of a 1.5M solution of NaOH (molar mass: 40.00 g/mol). They have…

A: Given: Concentration of NaOH = 1.5 M Volume of solution required = 25.0 mL = 0.025 L…

Q: 3. a) You'll saponify your oil by combining it with equal volumes of 95% ethanol and 25% sodium…

A: 3) a)95% ethanol act as a catalyst in saponification reaction. (Catalyst used to initiate the…

Q: 1. A solution of sodium bicarbonate is prepared by adding 45.00 g of sodium bicarbonate to a 1.00-L…

A:

Q: 1. (i) Why can’t we leave all acids/bases open to the atmosphere? (ii) What would happen if we…

A:

Q: After a student dissolved 0.5 g of white solid in water, she tested the conductivity and determined…

A: Given statement:"when the white solid dissolved it 'just disappeared' so some sort of error must…

Q: A student is given an antacid tablet that weighs 5.6622 g.  The tablet was crushed and 4.3221 g of…

A:

Q: The solubility of magnesium hydroxide, Mg(OH)2, in water is 9.0 x 10 4 g/100 mL. What volume of…

A: The equation for the above process is written as: Mg(OH)2+HNO3---------->Mg(NO3)2+H2O. Now,…

Q: 2.) Five standardized dilutions of aqueous lead(11) chromate solution were prepared by adding a…

A:

Q: How many moles of the nitrate anion, NO3-1, are there in a 0.015 L sample of 0.15M Pb(NO3)2(aq)…

A: Given, the volume of solution =0.015 LConcentration of Pb(NO3)2(aq) =0.15 Mwe are asked to calculate…

Q: A student is given an antacid tablet that weighs 5.9320 g. The tablet is crushed and 4.9780 g of the…

A: Given that 29 mL of the solution neutralizes 25 mL of the original solution.  1 mL of the NaOH will…

Q: Alcohol levels can be determined by reaction with dichromate (breathalyzer). C2H5OH(l) + 2…

A: The question is based on the concept of quantitative analysis . we need to calculate PPT of ethanol…

Q: H,SO, (aq) + Mg(OH), (aq) (aq) (1) + 2.

A:

Q: 2. How many milliliters of 0.60 M KNO3(aq) would need to be added to a flask and diluted to a total…

A: The moles of the substance is described as the product of the substance concentration and the total…

Q: (1) To analyze the concentration of chloroform precursors, or natural organic matter, in a drinking…

A: The ions or the elements present in the given sample can be detected using different instruments and…

Q: Assume household vinegar contains 5% acetic acid by weight and that the density of vinegar is the…

A: Solution Vinegar may be a bitter liquid consisting principally of carboxylic acid and water.…

Q: Sodium hydroxide solution was standardized against one gram of potassium phthalate. First trial used…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: A chemist performs a gravimetric analysis. The chemist combines 1.00 L of 2.00 M AGNO, (ag) with…

A: Given: Concentration of AgNO3 = 2M Concentration of NaCl = 4M Volume of AgNO3 = 1 L Volume of NaCl =…

Q: The following chemical reaction takes place in aqueous solution: 2AgNO,(aq)+Na.Co,(ag)Ag-CO,(9)-2…

A: A chemical equation that represents only those ions which are taking part in the chemical reaction…

Q: The concentration of sodium chloride in blood serum is 0.140 M. What volume of blood serum contains…

A: Molecular weight of NaCl = (23+35.5) = 58.5 gm/mol  So, 6.07 gm of NaCl = 6.07/58.5 = 0.10376 moles…

Q: How many liters of 0.0300 M NaOH solution can be prepared from 2.00 g of NaOH?

A: Number of moles of NaOH can be calculated as given below:

Q: Baking soda (sodium bicarbonate, NaHCO3) reacts with acids in foods to form carbonic acid (H2CO3),…

A: Baking soda or sodium bicarbonate reacts with lactic acid to give sodium salt of lactic acid along…

Q: Calculate and describe how to prepare 100.0 mL of 4.00 M NaCl(aq).

A: To prepare 4.00M NaCl (aq), weight of the NaCl should be measured to dissolve in 100 mL of water.…

Q: What is the total mass of the packet?

A: Given- volume of water- 250mLingredients- sodium citrate (Na3C6H5O7)  - 8.6 mEqPotassium citrate…

Q: The town of Andover obtains drinking water from three sources that together produce up to 6.81 × 107…

A:

Q: The titration of 0.314 g of potassium hydrogen phthalate (KHP) requires 13.16 mL of a NaOH solution.…

A: we need to calculate moles of NaOH for the titration of 0.314 g of KHP

Q: By titration, it is found that 66.3 mL of 0.116 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Given Molarity Of NaOH = 0.116 M volume of NaOH = 66.3 ml volume of HCl = 25.0 ml

Q: By titration, it is found that 96.5 mL of 0.154 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Given information:Volume of NaOH (V1)= 96.5 mLVolume of HCl (V2)= 25.0 mLMolarity of NaOH (M1)=…

Q: On their third titration trial, the CHM 111 student used 18.80 mL of 0.205 M NaOH(aq) to neutralize…

A: Balanced Reaction HCl (aq) + NaOH (aq) ---> H2 O (l) + NaCl(aq)  Volume of NaOH = 18.80 mL…