If the pOH of a solution is 4.66, what is [H+]?  Report your answer to 2 significant figures.  If you choose to report your answer in scientific notation, use the format of 6.022E23 for 6.022 × 1023.

Q: Part B A solution is made by mixing 12.5 g of Sr(OH)2 and 55.0 mL of 0.250 M HNO3. Calculate the…

A: Concentration of OH-  = 3.49 MConcentration of Sr2+ ions = 1.872 MConcentration of NO-3 ions = 0.254…

Q: -> Chem101 A neutral solution of water at a particular temperature has a concentration of OH- of 7.5…

A: The question is based on the concept of equilibrium. we have been given concentration of hydroxide…

Q: An aqueous solution at 25 °C has a OH concentration of 1. × 10 °M. Calculate the H,0' concentration.…

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Q: An aqueous solution at 25°C  has a OH− concentration of 4.6 x 10^−9M. Calculate the H3O+…

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Q: An aqueous solution at 25 °C has a H2O* concentration of 3.6 × 10¯ -8 M. Calculate the OH…

A: In any aqueous solution at 25 degrees Celsius, the product of the concentration of hydrogen ions…

Q: A 4.0 L sample of a 5.7 M NaCl solution is diluted to 65 L. Part A What is the molarity of the…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…

Q: Determine the pH of a 1.93 x 104 M HBr solution. Your answer should contain 3 decimal places as this…

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Q: In a 0.55 mM aqueous solution of butanoic acid (C,H,CO,H), what is the percentage of butanoic acid…

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Q: Calculate the number of H+(aq) ions in 1.6 mL of pure water at 25 ∘C. Express your answer using two…

A: given :  volume of pure water at 25°C = 1.6 mL  To be calculated :  number of H+ ions       (2…

Q: An aqueous solution at 25 °C has a H₂O* concentration of 5. × 10 M. Calculate the OH concentration.…

A: At 25° degree celcius product of hydrogen ions concentration and hydroxide ions concentration is…

Q: Calculate the eq per liter of 0.321g Na2CO3Na2CO3 when it is mixed in a 250ml solution. (MM Na2CO3=…

A: The normality of a solution is an important method which is used to indicate the concentration of a…

Q: How many milliliters of 0.145M HCl are needed to completely neutralize 46.0 mL of 0.110 M Ba(OH),…

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Q: 0.502L of a 2.2 M KCl solution? Express answer in 2 significant figures?

A: Question is not there but depending on values given, Interpretation- Number of moles of KCl Concept…

Q: [OH-] = 1.0 × 10-7 Express the concentration to two significant figures and include the appropriate…

A: Calculate hydronium ion concentration of the folowing---

Q: Calculate [OH-] for 1.9 x 10-3 M Sr(OH)2. Express your answer using two significant figures. ▼ [OH¯]…

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Q: Find Ka

A: Given :- concentration of weak acid = 0.173 M pH = 3.89 To calculate :- Ka

Q: Please in handwriting show how to solve for H+ ions -0.167=0.1400-0.0591/2 * log (0.108)/(H+)^2

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Q: An aqueous solution at 25 °C has a H₂O concentration of 8.0 x 10 M. Calculate the OH concentration.…

A: Given = concentration of H3O+ =  8.0 × 10-7 M We know           [H3O+] × [OH-] = 10-14

Q: Blood serum

A: 1 gg = 1010 mg                3.2 mg  Na+  obtained in 1mL  blood serum…

Q: Calculate the volume of a 1.420 M NaOH solution required to titrate 22.55 mL of a 1.500 M H3PO4…

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Q: Find the pHpH of a 0.291 MM KClOKClO solution. (The KaKa of hypochlorous acid, HClOHClO, is…

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Q: 10. To perform an experiment, you need 0.800 L of 12.0 M sulfuric acid. You go to the acid cabinet…

A: Given: Initial molarity is 18 M, final volume is 0.800 L and final molarity is 12 M. Introduction:…

Q: An aqueous solution at 25 °C has a Шм M H2O* concentration of 3.5 × 10 -8 M. Calculate the OH…

A: Water ionizes to form hydronium (H3O+) and hydroxide (OH-) ions. This ionization can be represented…

Q: HCN (aq) + SO4^2- (aq) -->

A: The balanced chemical equation is given below

Q: If 42.1 mL of 0.214 M HCl solution is needed to neutralize a solution of Ca(OH)2, how many grams of…

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Q: It was determined that [H+] was 0.00628 M in an initially 0.627 M solution of H A. What is the new…

A: The dissociation of HA is as follow HA → H+ + A- Since ,on dissociation of 1 mole of HA , 1 mole of…

Q: An aqueous solution at 25 °C has a H₂O concentration of 2. x 10 M. Calculate the OH concentration.…

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Q: concentration of the cation and anion

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Q: A chemistry student weighs out 0.191 g of lactic acid (HC,H,0,) into a 250. mL volumetric flask and…

A: Given 0.191 gram lactic acid  in 250 ml flask and titrated  with 0.05 M NaoH. First  we calculate…

Q: How many milliliters of 11.0 M HCl(aq) a V = are needed to prepare 545.0 mL of 1.00 M HCl(aq)? mL

A: We have to calculate the amount of milliliters of 11.0 M HCl(aq) are needed to prepare 545.0 mL of…

Q: Blue dye can be decolorized by treatment with bleach. The kinetics of the reaction can be studied by…

A: Since first two questions are related to each other and the third one is different. Hence, we solve…

Q: 5.00 ml of 7.35 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HCIO4 and 4.00 ml of 2.00 × 10-2 M…

A: Given: Vol of  Fe(NO3)3 = 5.00 mL Concentration [Fe(NO3)3 ] = 7.35 M Vol of HClO4 = 1.00 mL…

Q: add/edit information in the table showing characteristics of salts in different tests

A: To ADD/or EDIT the given table which has interpretation about salt characteristics from different…

Q: Express your answers in scientific notation with three significant digits.  a.) Tea pH=5.5  b.)…

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Q: What is the coefficient of water and where does it appear when the following equation is balanced?…

A: The equation  can be balanced in basic medium as follows: