Ca luck are the solubility of each of the following salts in moles per lister given the lap values. Ignore any acid base properties. Lap for PbBr2!is 4.6 x 10 to the nagative 6th power and lap for BaSo4 is 1.5 x 10 to the negative 9th power
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Ca luck are the solubility of each of the following salts in moles per lister given the lap values. Ignore any acid base properties. Lap for PbBr2!is 4.6 x 10 to the nagative 6th power and lap for BaSo4 is 1.5 x 10 to the negative 9th power
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- . How is the strength of an acid related to the fact that a competition for protons exists in aqueous solution between water molecules and the anion of the acid?Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic, basic, or neutral. Acidic Basic Neutral Answer Bank H]= 1.0 x 10 pll=346 pOl - 541 OH |-26 x 10 pOll =831 pOll = 7.00 o|=98 x 10 " 1-63x 10 pll=10.38 I= 74 x 10 contectua help privecy polisy terma of uasThis is about determinition of acid content in vinegar through titration, please answer the questions. Please answer only the items nummber 4-5. i only put other questions for guide. 1. What is the purpose of standardization? 2. What is the primary standard used (name and formula)? ANS: KHP 3. Suppose that the KHP is not completely dry. Will the reported molar concentration of the sodium hydroxide solution be higher, lower, or unaffected? Explain. 4. In preparing the buret for titration the final rinse is with the NaOH titrant rather than with distilled water. Explain. 5. The procedure suggests the addition of only 2 drops of phenolphthalein. What will be the effect to the analysis if larger amount of phenolphthalein is added?
- Document2 - Word References Mailings Review View Help Tell me what you want to do Aa - AaBbCcDc AaBbCcDc AaBbC AaBb - aly - A T Normal T No Spac... Heading 1 Headin Paragraph Styles 5. Why did the addition of water to the flask not affect the determination of the amount concentration of acetic acid in vinegar?light data and DID NOT round any intermediate calculations. In a 3.8M aqueous solution of benzoic acid (C6H, CO₂H), what is the percentage of benzoic acid that is dissociated? You can find some data that is useful for solving this problem in the ALEKS Data resource. Round your answer to 2 significant digits. 7.0 % GEE olaEach row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. alo initial type solution initial components (check all that apply) effect of change on pH change (check one) O acidic pH higher H,0 basic add H C10, O pH lower A O neutral O pH the same acidic O pH higher H,0 add Na ClO, B O basic O pH lower O neutral pH the same O acidic pH higher Н, 0, КОН V basic add H Br O pH lower O neutral O pH the same O acidic O pH higher D Н,о, КОН O basic add K Br O pH lower O neutral pH the same Explanation Check © 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility
- Draw and label the correct Titration Equipment Set-up. Complete Set-upWhat is the name of the type of reaction that happens between acids and alkalis? O O Neutralisation Addition O Polymerisation Condensation Crystallization is a type of purification method. True False If crystallization does not occur even though the solution was thoroughly cooled. a glass rod is rubbed against the wall of the beaker for scratching operation a seed crystal should be added to the solution both of them none of themADDITIVES: (per day) Sodium Chloride as Acetate as Phosphate Potassium Chloride as Acetate as Phosphate Calcium Gluconate Magnesium Sulfate Adult Multivitamins Adult Trace Elements* 40 60 40 30 mEq mEq mmol PO4 mEq mEq mmol PO4 mEq mEq 15 12 10 mL/day mL/day 5 Total Na = ? mEq Total Cl = ? mEq. Total acetate = ? mEq Total K = ? mEq Total phos = ? mmol What are the total amounts of Na, K, Cl, acetate, and phos per day?
- Write the K, expressions for the following two reactions. 1st attempt l See Perio Part 1 Do not include states of matter, multiplication symbols, or extra spaces. Use brackets [] to indicate concentration. If the concentration of a substance should be "1", then do not include it in the expression. Complete the Kexpression for the weak acid behavior represented by НСООН (аg) + н(аg) +НСОО (ад) X x, = +, log. cos. K.Each row of the table below describes an aqueous solution at 25 °C. The second column of the table shows the initial components of the solution. • Use the checkboxes in the third column to explain the type of the initial solution. The fourth column describes a change in the solution. • Use the fifth column to predict how the change in the solution will change its pH. initial type (check all that apply) solution initial components effect of change on pH (check one) change O acidic O pH higher H,0, H Br O basic add KOH O pH lower neutral pH the same O acidic pH higher H,0 O basic add Na OH pH lower neutral pH the same O acidic pH higher H,0 O basic add NaI O pH lower O neutral pH the same acidic pH higher H,0, H Br O basic add K Br pH lower pH the same O neutral Exnlanation Check 2021 McGraw-Hill Educa$ 4 The value of K, for hypochlorous acid, HCIO, is 3.50x10-8. Write the equation for the reaction that goes with this equilibrium constant. (Use H3O+ instead of H*.) 000 000 F4 R F Submit Answer % + 5 T G FS Use the References to access important values if needed for this question. Retry Entire Group 9 more group attempts remaining A Cengage Learning Cengage Technical Support 6 MacBook Air Y F6 H 87 & + F7 U * 8 F8 9 K >> F9 O 0 F10 P F11 Previous + Next> Save and Ex F12 11
