If the pOH of a solution is 11.6 the [H+] would be _______ M.   You only need to put a number in the blank, the units are written in for you. Please given the answer in 3 significant figures and do NOT use scientific notation.

Q: Researchers measured the average blood alcohol concentration C(t) of eight men starting one hour…

A: (a) (i) time interval = [1.0, 2.0] Average change of C = concentraion at (2.0) - concentration at…

Q: A chemistry student weighs out 0.0457 g of formic acid (HCHO,) into a 250. mL volumetric flask and…

A: Given- Weight of formic acid =0.0457g Volume volumetric flask=250mL Concentration of NaOH =0.1100 M…

Q: A chemist prepares a solution of silver nitrate (AgNO, by measuring out 0.556 kg of silver nitrate…

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Q: What is the pOH to the correct number of significant figures for a solution when the (OH- = 1.56x10…

A: Given : We have to calculate the pOH.

Q: Data for Unknown NaCl Solution Unknown Number 6. Mass of 50 mL beaker 28.94 g Mass of beaker +…

A: The density of a substance is defined as the mass of the substance upon its volume. The density is…

Q: Solubility of Ca(OH)2 in 0.25M KCI Answer the concentrations and solubility in 3 significant figure.…

A: From the standardization of HCl data,  average molarity of HCl = 0.198 M  We can find the [OH-] by…

Q: Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of…

A: Concept used: Density = mass VolumeSpecific Gravity =Density of solutionDensity of reference

Q: In a chem lab, you have in stock a 10% saline solution and a 50% saline solution. However, you need…

A: We have To determine how much of each saline solution to mix, we can create equations based on the…

Q: 4. Nitric acid is a corrosive and strong acid. It has a molarity of 15 M when purchased from a…

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Q: UPVOTE WILL BE GIVEN! PLEASE ANSWER ALL. THANK YOU! ANSWER IN 3 DECIMAL PLACES. CHEMISTRY! NO LONG…

A: pH of a solution determine acidity or basicity of a solution

Q: must be prepared. However, you only have adrenaline tartrate (Mw 333.3 g/mol) available. How %3D…

A: 1 mol adrenaline tartrate contains 1 mol of adrenaline. Now, Concentration of adrenaline solution =…

Q: Calculate the volume in milliliters of a 0.854M aluminum chloride solution that contains 200. mmol…

A:

Q: how did you get the dilution factor? is the dilution factor 9? or 91

A: To answer: how to get the dilution factor? is the dilution factor 9? or 91?

Q: If 120 mL of a 10% stock solution is diluted to 240 mL, the final concentration of the solution is…

A:

Q: Calculated Values/Values from the Graph 0.1987985 e Calculated absorbance A, for [HIn] = [In] %3D K…

A: The concentration of H3O+ can be calculated by using the Henderson's equation which can be…

Q: Part A Part complete [OH−][OH−] = 3.8×10−11 MM Express your answer using two decimal places.…

A:

Q: For each of the following scenarios, determine if the error will cause the molarity of the…

A: For Error in molarity:- (A) 50ml water add instead of 25ml means solution gets more diluted hence…

Q: Standardization of Hydrochloric Acid Solution Answer the concentrations in 3 significant figure. The…

A: The balanced equation for the reaction of Na2CO3(aq) with HCl(aq) is: Na2CO3(aq) + 2HCl(aq) ---->…

Q: A chemistry student weighs out 0.146 g of chloroacetic acid (HCH,CICO,) into a 250. mL volumetric…

A:

Q: 37.0 g of KOH from a 30.0 %(m/m) KOH solution Express your answer to three significant figures and…

A: The mass percent (% m/m) represents the concentration of solution, which is calculated as follows,…

Q: 250 mL of water is added to 680 ml of a 6-M Naci solution. What is the concentration of the diluted…

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Q: A chemistry student weighs out 0.187 g of sulfurous acid (H,So,), a diprotic acid, into a 250. mL…

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Q: 30 Using the following equation, determine the average concentration (moles per liter) of acetic…

A:

Q: A solution is made using 250.0 mL of ethanol (density 0.7892 g/mL) and 171.1 mL of water (density…

A: Consider a solution consisting of A and B  Mass% of A=(Mass of A/Total mass of solution) x 100…

Q: A test tube is prepare using a concentrated stock solution with a concentration of 4.9 mg/mL. The…

A: Concentration of the stock solution = 4.9 mg/mL Thus 1 ml of stock solution contains 4.9 mg of…

Q: In the Gram Stain, safranin is the dye used to stain gram negative bacteria. This solution is…

A: Weight/Volume percent can be calculated using the equation given below: m/v%=mass of solute…

Q: Given the chart below for the prepared solution.?What would be the final reading and total volume of…

A: The total volume of the solution is equal to the volume of the solute and the volume of the solvent.…

Q: Question 2: standard notation with 3 decimals like this: X.XXX triprotic acid, H3A has the following…

A: Given Ka1 = 4.45 ×10-4 ; Ka2 = 7.86×10-8 and Ka3 = 8.81×10-15

Q: Concentrated sulfuric acid contains 96.5% w/w H2SO4 in water. If the SG of concentrated H2SO4 is…

A: Given data is The w/w percentage of concentrated sulfuric acid in water = 96.5% SG (specific…

Q: A solution that is found to have a hydroxide concentration of 4.69 x10-5 that is at the freezing…

A: Please find the attachment

Q: If you add 20.0 mL of water to 185.0 mL of a 0.30 M NaOH, what will be the molarity of the diluted…

A:

Q: While working in a pharmaceutical laboratory, you need to prepare 0.250 L of a 1.60-M NaCl solution.…

A: The objective of this question is to determine the mass of NaCl required to prepare a 0.250 L of a…

Q: A lab group was supposed to make 12 mL of a 29% acid solution by mixing a 20% solution, a 27%…

A:

Q: What is the normality of the following?      c. 0.5781 g acid (eq wt = 187.3) in 250.0 mL of…

A: Normality is defined as Normality =Gram equivalent of solute / Volume of the solution (L)No. of gram…

Q: Need help solving this.

A: (NH4)2CO3           +           MgSO4          -->…

Q: A student prepares a 1.6M aqueous solution of 4-chlorobutanoic acid (C,H,CICO,H). Calculate the…

A: Given,Molarity of 4-chlorobutanoic acid = 1.6 MFrom the reference,               pKa = 4.52

Q: What is the correct number of decimal places to use when recording the volume of solution delivered…

A: Decimal number have a whole number and fractional part which are separated by a decimal point.  such…

Q: A test tube is prepare using a concentrated stock solution with a concentration of 4.9 mg/mL. The…

A: Given: Concentration of stock solution=4.9 mg/mL Volume of the stock solution=146μL Volume of…

Q: IV. Laboratory Report: (Parts 1,4,5 are typed.) 1. Title page including the average calculated value…

A: Given: Titration KHP (g) Vfinal (mL) Vinitial (mL) Vtotal NaOH(mL) 1 0.7430 33 0.0 33.00 2…

Q: Calculate the volume in liters of a 0.0458M barium chlorate solution that contains 75.0 g of barium…

A:

Q: How many milliliters of 15.7% (v/v) acetic acid would you need to use to get 39 milliliters of…

A: Given-> (V/V)% = 15.7 %  Volume of acetic acid solution = 39 millilitres

Q: In the Gram Stain, safranin is the dye used to stain gram negative bacteria. This safranin are in a…

A: We will use (w/v)% formula

Q: Principles of volumentric analysis Instruction: Read and analyze each problem carefully. Show your…

A: Normality (N) of a solution is defined as the number of gram equivalents of solute dissolved per…

Q: A biologist wants to make 265mL of 0.02M HCl by diluting a 5M HCl stock solution. How many mL of the…

A: We know, V1S1 = V2S2  V = volume  S = strength or concentration

Q: 3. What is the molar concentration of a solution that is 28.15% HNO, (w/w) (MM= 63.01 g/mol)? The…

A: