Substances are classified as acidic, basic, or neutral. The pH scale can be used to classify a substance. Which feature suggests that a substance is basic?a The pH is 0. b plleeaasseee heelllpp The pH is 7. c The pH

10,259 results
  1. science

    What is a solvent? a The material that is dissolved b The material that increases the speed of the dissolution c The material that reduces how much can be dissolved d The material that is dissolving another material Question 2 (1 point) Which of the

  2. s

    Substances are classified as acidic, basic, or neutral. The pH scale can be used to classify a substance. Which feature suggests that a substance is basic?a The pH is 0. b plleeaasseee heelllpp The pH is 7. c The pH is less than 7. d The pH is greater than

  3. chemistry

    Predict whether the following solutions are acidic, basic, or nearly neutral: a. NaBr, b. K2SO3, c. NH4NO2, d. Cr(NO3). the answer is neutral, basic, acidic, acidic and i am not sure why

  4. Chemistry

    Classify each of the following solutions as acidic, basic, or neutral based on the pH value. (a) pH = 8.0 (b) pH = 7.0 (c) pH = 3.5 (d) pH = 6.1

  5. chemistry

    How do you know if these solutions are acidic, basic, or nearly neutral? a. NH4NO2 b. Cr(NO3)3

  6. chemistry

    will the following solutions be acidic, neutral, or basic? Write the net ionic equation for any reaction that takes place. NH4Cl, KHCO3, LiClO4, NH4NO3, H2CO3, LiClO2, Ba(NO3)2

  7. Integrated Science

    Zuzana tests a common household substance and finds that it has a pH of 3. What type of substance is in the scenari? A). basic B).salt C). neutral D). acidic I do believe the answer is D because any substance with a PH below 7 is an acid.

  8. AP Chemistry

    The reaction of sodium oxide with water would form: 1. a neutral solution. 2. a basic solution. 3. an acidic solution. An explanation would be appreciated too!!

  9. Chemistry

    Are solutions of the following salts acidic, basic, or neutral? For those that are not neutral, write balanced chemical equations for the reactions causing the solution to be acidic or basic. a.C5H5NHCLO4 b.NH4NO2 c.KOCL d.NH4OCL

  10. chemistry

    Calculate the hydrogen-ion concentration [H+] for an aqueous solution in which [OH-] is 1 x 10^-11 mol/L. Is this solution acidic, basic, or neutral?

  11. chemistry

    Hydrocyanic acid (HCN) is a much weaker acid than nitrous acid (HNO2). The pH values of 0.1 M solutions of the potassium salts of these two acids were determined separately. The statement which describes these determinations most accurately is: a. ) Both

  12. Chemistry

    Solution x has a pH of 4.35. Solution y has 10- times high [OH-] compared to solution x. Solution z has a pH 4.0 units higher than that of solution x. calculate the ration of [H3O+] between solutions x&y and between x&z. What is the pH of solutions y and

  13. Chemistry

    1. WHy is KHC8H4O4 used as the acid in standardization titration? 2. Why should you not shake KHC8H4O4 (Acidic solution) before titrating it with NaOH (Basic solution)? 3. Why is boiled distilled waster used to prepare acidic and basic solutions? Any and

  14. AP Chemistry

    Consider the ionization constants cyanic acid (HOCN) : Ka= 3.5×10−4; ammonia (NH3): Kb= 1.8×10−5. A solution of ammonium cyanate (NH4OCN) is 1. acidic, because the cation and the anion hydrolyze to the same extent. 2. acidic, because the anion

  15. pH scale

    If a base is added to water, the pH will increase, decrease, stay the same, or increase sometimes and decrease sometimes. I have asked several friends and the two answers I get is increase from 3 of them and stay the same from 2 of them. I am confused. And

  16. Integrated Science

    Judy tests a common household substance and finds that it has a pH of 7. What type of substance is in the scenario? A).basic B).acidic C).neutral D).salt I believe the answer is C). Is this correct?

  17. Chemistry

    If the hydrogen ion concentration of a solution if 10^–10M, is the solution acidic, alkaline, or neutral? A.acidic B.alkaline C.neutral D.The answer cannot be determined I think it is B..thanks

  18. chemistry

    a)predict whether a 2.0mol/L solution of ammonia chloride will be acidic basic or neutral b) calculate the pH of a 0.20 mil/L solution of NH4Cl

  19. chemestry

    How would you classify a solution if [OH-] = 4.2 x 10-8 M? A. Acidic B. Basic C. Neutral D. It is impossible to tell based on the information given would it be B? please explain

  20. Chemistry

    State whether each of the following aqueous solutions would be acidic, basic, or neutral. Include appropriate net-ionic equations to show why a given solution is acidic or basic. a) NaNO3 b)KC6H5CO2 c)50:50 mixture of C6H5CO2H+KC6H5CO2 d)(CH3NH3)Cl e)50:50

  21. Chemistry

    Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral? Al(ClO4)3-Acid LiCl-Neutral KClO2-BAse C6H5NH3NO2-Acid CH3NH3Br-Acid KCl-Neutral NaClO-Base NH4ClO-Acid Fe(ClO4)3-Acid C2H5NH3NO3-Acid Is this right?

  22. chem

    tell whether .1M solutions of the following salts would be acidic, neutral, or basic: CaCl2, CuSO4, (NH4)2SO4, KClO4, KClO4, NaCN.

  23. Chemistry

    Predict whether the following solutions are acidic basic or neutral. Provide explanations to support your predictions a) ammonium phosphate b) Ammonium sulfate c) Magnesium oxide

  24. Chemistry

    Ca(OH)2, CaF2, NH4NO3, KNO3, HNO3 - Arrange the solutions from most basic to most acidic. I know Ca(OH)2 will be most basic and HNO3 will be most acidic, but how do you determine for the other ones?

  25. Chemistry

    Classify as acidic base or neutral [H+]= 6.0*10^-10M

  26. chemistry

    Consider the ionization constants hypochlorous acid (HOCl) : Ka = 3.5 × 10−8; ammonia (NH3) : Kb = 1.8×10−5. A solution of ammonium hypochlorite (NH4OCl) is 1. acidic, because the cation hydrolyzes to a greater extent than the anion. 2. basic,

  27. Chemistry

    Calculate the [OH-] for a solution in which [H+] is 1000 times greater than [OH-]? and will the final result be acidic, basic, or neutral?

  28. Chemistry

    35.0 mL of a 0.250 M solution of KOH is titrated with 0.150 M HCl. After 35.0 mL of the HCl has been added, the resultant solution is: A) Acidic and after the equivalence point B) Basic and after the equivalence point C) Neutral and at the equivalence

  29. chemistry

    Predict qualitatively whether the salts below dissolve to give solutions that are acidic, basic or neutral. what is the rule for figuring this out? a. KNO2 - basic b. Ng(NO3)2 - neutral c. NH4ClO2 - acidic d. NaHCO3 - basic

  30. College Algebra

    The hydrogen ion concentration of a substance is related to its acidity and basicity. Because hydrogen ion concentrations vary over a very wide range, logarithms are used to create a compressed pH scale, which is defined by pH=-log(H+)where (H+)is the

  31. Chemistry

    Balance the following half-reactions: (a) (acidic) VO2+ (aq) -------V3+ (aq) (b) (basic Ni(OH)2 (s)--------Ni2O3 (s) (c) (acidic) NO3- (aq)-------NO2 (aq) (d) (basic) Br2 (aq)----------BrO3- (aq)

  32. science(chem) Dr.Bob Question from before

    I'm doing an experiment and I'm supposed to have neutral basic and acid samples of solution. I just wanted to make sure that I knew which was which. (If I'm incorrect, please correct me) Acid: 0.7ml 10% H2SO4 + 0.7ml 10% Na2WO4(sodium tungstate) Basic:

  33. Biochemistry

    Calculate [H+] or [OH-]as required for each of the following solutions at 25degrees and state whether the solution is neutral, acidic or basic

  34. Chemistry

    How would you know if a salt will produce a neutral, acidic or basic solution? I am quite confused. I know you first break them up into their ions but I don't know what to do next. For example: NaH2PO4= acidic soln Mg(HSO4)2= neutral soln Ca(CN)2= basic

  35. chemistry

    In which solution (acidic, basic, neutral water, or doesn't matter) is potassium bromide most soluble? a. acidic b. basic c. neutral d. doesn't matter

  36. chem

    Can someone please help me by explaining and correcting me? 1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization constant, Ka, of the acid. a) 2.1 x 10^-4 b) 2.4 x 10^-9 c) 4.1 x 10^-8 d) 2.8 x 10^-7 e) 1.4 x 10^-10 -- To be

  37. Chemistry-is this correct?

    Calculate the pH and identify as acidic, basic,or neutral 1. H= 1.10 * 10^-11 M Answer: pH=11, basic 2. H= 2.61 * 10^-2 M Answer: pH:1.58, acidic 3. OH= 4.0 * 10^-9 M pH: 8.39, basic

  38. chemistry

    Hi I did some tests with the litmus paper, and I would like to know if they are correct:) Thing tested What I got *distilled water neutral *liquid soap Distilled water should be neutral. You didn't type the results of the pH test on liquid soap. It could

  39. Chemistry

    Each value below represents a different aqueous solution at 25 °C. Classify each solution as acidic, basic, or neutral. pH=9.72 pOH=4.69 pOH=13.62 [H+]=7.5e-2 [H+]=7.8e-9 [H+]=1e-7 [OH-]=4.5e-12 [OH-]=3.5e-5 pH=4.09 pOH=7

  40. chemistry

    A solution with a pH of 11.0 is A. neutral. B. acidic. C. weakly basic. D. strongly basic . HELP PLEASE!!

  41. Science Question for Lance

    Histones interact with DNA at specific loci because DNA has phosphate functional groups. This interaction occurs because histones have a net _____ positive charge, which derives from their ______ residues, and interact with DNA because of its net _______

  42. Chemistry

    Hello everybody, I'm told that potassium permanganate is dissolved in an aqueous buffer of ammonia and ammonium at equal concentrations (1M), and treated with 1M sodium hypochlorite, the permanganate ion is reduced to insoluble manganese dioxide as the

  43. Chemistry

    Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral? Al(ClO4)3-Acid LiCl-Neutral KClO2-BAse C6H5NH3NO2-Acid CH3NH3Br-Acid KCl-Neutral NaClO-Base NH4ClO-Acid Fe(ClO4)3-Acid C2H5NH3NO3-Acid Is this right?

  44. Chemistry

    1.When mixing 45mL of 0.65M acetic acid with 65mL of 0.45M NaOH the resulting mixture is a. basic b. neutral c. acidic d. pH < 7 e. both c and d The correct answer is b. neutral right? 2.The concentration of [OH-] in Al(OH)3 is 2.6 x 10^-5. What is the

  45. chemistry

    when 12.5mL of 0.28M HNO3 and 5.0mL OF 0.46M Ba(OH)2 are mixed, is the resulting solution acidic, basic, or neutral?

  46. chemistry

    calculate the oh- and h3o+ concentration of a solution that as ph of 12.11. is the soluion acidic, basic or neutral. report you answer to 2 significant figure

  47. Chemistry (General)

    When 280. mL of 1.50 x 10-4 M hydrochloric acid is added to 135 mL of 1.75 x 10-4 M Mg(OH)2, the resulting solution will be: acidic. basic neutral. It is impossible to tell from the information given.

  48. chemistry

    which of the following would form acidic,basic or neutral solutions:nh4f,nh4cn,nh4ch3coo,nh4cl,ba(ch3coo)2,nacn,caso4,cr(no3)3,fecl3,na2co3

  49. Chemistry

    A salt solution can be acidic, basic, or neutral. when dissolved in water, which of the following salts will not affect the pH: KCl, FeCl3, NaNO3, CaCO3, LiF, and NH4Br?

  50. Chemistry help!!!

    Calculate [H3o+] in each aqueous solution at 25*C, and classify each solution as acidic or basic. a. [OH-]= 1.1 x 10^-9M b. [OH-]= 2.9 x 10^-2M c. [OH-]= 6.9 x 10^-12M

  51. Honors Chemistry

    Will a base + H2O ALWAYS from a basic solution? (not a neutral or acidic solution)

  52. Chemistry(URGENT!)

    determine whether the following salts will form acidic, neutral or basic solutions in water. Na2HPO4 CaNO2 NH4CH3COO Al2SO4 NaF Please, i need the answer to this question within 2 hours of when i post this!

  53. science

    Determine whether potassium hydrogen tartrate (KHC4H4O6) is neutral, basic, or acidic. First, what is its Ka when it acts as an acid? The following are for the diprotic acid, H2C4H4O6: Ka1 = 1.0 x 10-3 and Ka2 = 4.6 x 10-5.

  54. Chemistry

    How would you determine if a given compound is acidic, basic or neutral? Also if given a compound, how would you determine if the state is aqueous (without a chart)?

  55. Science

    Does my hypothesis match with my intro? I'm writing a lab report. Introduction: The intention of this lab is to find the pH of different household material. Boiled red cabbage juice will be used as the pH indicator. pH is the chemical potential of hydrogen

  56. Chemistry

    How would you know if a salt will produce a neutral, acidic or basic solution? I am quite confused. I know you first break them up into their ions but I don't know what to do next. For example: NaH2PO4= acidic soln Mg(HSO4)2= neutral soln Ca(CN)2= basic

  57. chemistry

    Hello! Please correct me if I'm wrong. For the following compound, predict whether the solution is acidic, basic, or neutral and why: NH4Cl. a) acidic, NH4Cl is the salt of a weak base b) neutral because there is no hydrolysis c) acidic, NH4Cl is a strong

  58. Chemistry

    In which solution (acidic, basic, neutral water, or doesn't matter) is sodium acetate most soluble? acidic solution Basic solution neutral doesn't matter I already tried basic solution and got it wrong.

  59. body systems/terminology

    Human blood, which has a pH of approximately 7.4, is a/an _______ substance. A. neutral C. basic B. acidic D. alkaline The body maintains a pH of 7.5, and human blood has a normal range between 7.35 to 7.45—almost neutral. Numbers below 7 are

  60. Chemistry

    For an H+ concentration, [H+], of 4.3 x 10-4 M, would this be acidic, neutral or basic? Why? I'm assuming that because it is an H+ it would be acidic and H+ means acidic and OH- means base. Is this correct? And is there a better formula for this equation?

  61. chemistry

    When KI is dissolved in water, the solution will be ___. a) Strongly Acidic b) Slightly Acidic c) Neutral d) Basic

  62. chemistry

    When KI is dissolved in water, the solution will be ___. a) Strongly Acidic b) Slightly Acidic c) Neutral d) Basic

  63. chemistry (confirmation)

    If the reverse reaction is favoured and it includes a solid as a reactant, the solid concentration is not going to increase as solids and liquids stay constant right? To determine which solution is most basics given [OH-] / [H30+], you take the -log and

  64. Chemistry 3

    How is it possible for me to tell which of these solutes will produce an acidic solution when dissolved in water? LiOH CH3CO2K H2SO3 KOH NaOH NH4NO3 NaOH NaOH can't be the only one... Molecules that produce OH^- when dissolved in water will be basic.

  65. science question

    Histones interact with DNA at specific loci because DNA has phosphate functional groups. This interaction occurs because histones have a net _____ positive charge, which derives from their ______ residues, and interact with DNA because of its net _______

  66. Chemistry

    State whether each of the following aqueous solutions would be acidic, basic, or neutral. Include appropriate net-ionic equations to show why a given solution is acidic or basic. a) NaNO3 b)KC6H5CO2 c)50:50 mixture of C6H5CO2H+KC6H5CO2 d)(CH3NH3)Cl e)50:50

  67. chemistry

    Hi is me again I just tested liquid soap, in red and blue litmus papers. the blue did not turned red which means is not acidic, but the pink looked kind of turning blue and although I try it different times it still looks like wanting to turn blue, I don't

  68. chemistry

    Determine the pH. Are these solutions acidic or basic? a. [H3O+]=1.0*10^-8 a. pH=acidic or basic? b.[OH-]=1.0*10^-9 b. pH=acidic or basic? c.pOH=1.4 c. ph= acidic or basic? d.pOH=7.8 d. pH=acidic or basic?

  69. chemistry

    A salt solution can be acidic, basic, or neutral. when dissolved in water, which of the following salts will make the solution basic: KCl, FeCl3, NaNO3, CaCO3, LiF, and NH4Br?

  70. Chemistry

    Hello, I have a question about something we learned in chemistry today. We've been going over Ka/Kb table values, and using them to determine if a solution is acidic, basic or neutral. One of the compounds (in aqueous solution) are NH4OCl (aq), which is

  71. Chemistry

    If you mix 10 mL of 6M HCl (aq) and 2o mL of 3M NaOH, will the solution be acidic, neutral, or basic?

  72. Chemistry - Please Help!

    XeO3 + I- ----> Xe + I2 (acidic solution) CN)2 -----> CN- + OCN- (basic solution) MnO2 + SO32- ---> Mn2+ + S2O62- (acidic solution) H2SeO3 + H2S -----> S + Se (acidic solution) Cl2 ---> Cl- + ClO3- (basic solution) ClNO2 -----> NO3- + Cl- (acidic solution)

  73. Chem

    Given that Kw = 2.4x10^-14 at 37 celsius, compute the PH of a neutral aqueous solution at 37 celsius, which is the normal human body temperature. Is PH = 7 solution acidic, basic, neutral at 37 celsius? Thank you!!!!!!

  74. URGENT Chemistry Question!

    This might be a silly question, but... Is 6-8 on the pH scale considered neutral? If so, 6.23 pH is neutral and 8.78 should be considered basic. Is this correct?

  75. Chemistry URGENT PLEASE PLEASE PLEASE HELP!

    Determine whether the solution is basic, acidic, or neutral. Write net ionic equations to show how it behaves in aqueous solutions. 1) Fe2(SO4)3 I know it is acidic Do I do hydrolysis equations for the net ionic or do I do redox reactions?

  76. chem-ph

    What range on the pH scale is considered very acidic, acidic , and slightly acidic. Also what range is considered very basic, basic, slightly basic.

  77. Chemistry

    Acidity or Basicity of Salt Solutions. Will 0.10 M aqueous solutions of the following salts be acidic , basic or neutral? (Assume a solution is neutral if its pH is 7.00±0.05). ammonium sulfite ((NH4)2SO3) sodium citrate (Na3C6H5O7) sodium hydrogen

  78. chemistry

    ndicate whether each solution is acidic, basic, or neutral. a. [H3O+] = 6.9 x 10-1 M This solution is acidic. b. [H3O+] = 8.2 x 10-13 M This solution is basic. c. [H3O+] = 3.2 x 10-1 M This solution is acidic.

  79. Chemistry

    Balance the following half-reactions: (a) (acidic) VO2+ (aq) -------V3+ (aq) (b) (basic Ni(OH)2 (s)--------Ni2O3 (s) (c) (acidic) NO3- (aq)-------NO2 (aq) (d) (basic) Br2 (aq)----------BrO3- (aq)

  80. Chemistry

    35.0 mL of a 0.250 M solution of KOH is titrated with 0.150 M HCl. After 35.0 mL of the HCl has been added, the resultant solution is: A) Acidic and after the equivalence point B) Basic and after the equivalence point C) Neutral and at the equivalence

  81. chemistry

    Determine the [H3O+]. Are these solutions acidic or basic? a. [OH-]=7.0x10^-8 a. [H3O+]= acidic or basic? b. 0.00030 M Mg[OH]2 b. [H3O+]=acidic or basic?

  82. science HElp

    Ph scale Which on is true A substance with ph is twice as acidic as substance with ph of 4. A subtances with ph 3 is 10 as acidic as substance with ph of 4. A substance with ph 3 twice as alkies as substances with ph 4. a substancs with ph 3 10 time alkies

  83. chemistry

    Calculate the [H⁺] for the aqueous solution in which [OH⁻] is 1 x 10⁻⁹. Is this solution acidic, basic or neutral? Show your work

  84. Chemistry

    Calculate the concentration of OH− and the pH value of an aqueous solution in which [H3O+ ] is 0.014 M at 25°C. Is this solution acidic, basic or neutral?

  85. Chemistry

    Describe how a buffer behaves. Your description should include an explanation of why the addition of NaOH to the HAc solution formed a buffer. What happens to the pH when a small quantity of a strong acid or base is added to a buffer solution? What happens

  86. Chemistry

    If 87.3 mL of 0.225M KOH solution is mixed with 44.4 mL of 0.313M H2SO4 solution, would the resulting mixture be acidic, basic or neutral?

  87. Organic chem.

    I need to find examples of reagents used in performing chemical resolutions of acidic, basic, and neutral racemic compounds. I have searched all over the internet and cannot find anything... please help.

  88. Science

    1. I got a list of solutions. We did a test in the lab to figure out what was there pH. How do you figure out which one is the most acidic and the most basic? 2.When might you need to know whether a solution is acidic or basic? 3. Dishwasher detergent,

  89. Chemistry

    A salt is one of the products of neutralization, consisting of an anion from an acid and a cation from a base. Salts can hydrolyze to form neutral, acidic or basic solutions in water. Which of the following salts would form an acidic aqueous solution:

  90. chemistry

    1.Does a pH of 8.6 describe a solution with a higher or lower hydronium ion concentration compared to a neutral solution? Is such as solution called acidic or basic? 2. Compared to a neutral solution, would you expect an acidic solution to have a higher or

  91. chemistry

    Ould you please offer me some insight to this, Calculate the hydrogen ion concentration (H+) for the aqueous solution in which (OH-) is1×10-15 mol/L. Is this solution acidic, basic or neutral? Thanks in advance

  92. chem -repost for bobpursley

    Posted by polkadot on Friday, April 8, 2011 at 8:46pm. Can someone please help me by explaining and correcting me? 1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization constant, Ka, of the acid. a) 2.1 x 10^-4 b) 2.4 x 10^-9 c)

  93. chemistry

    Indicate whether each solution is acidic, basic, or neutral. a. [H3O+] = 6.9 x 10-1 M This solution is acidic. b. [H3O+] = 8.2 x 10-13 M This solution is basic. c. [H3O+] = 3.2 x 10-1 M This solution is acidic.

  94. Chem

    What is different about neutralization reactions that produce a neutral solution at the equivalence point and those that produce acidic or basic solution? I think it is the concentration of the reactants?

  95. Chemistry

    Consider a 0.71 M solution of each of the following salt dissolved in distilled water. Will the solution by basic, neutral, or acidic? KI= NH4NO2= (CH3CH2)3NHNO2= (CH3CH2)2NH2ClO4=

  96. Chemistry

    CH ≡ CH + 2AgNO3 → AgC ≡ CAg + 2HNO3 represents which property of acetylene. A. Basic B Acidic. √ answer is acidic, now i want to ask that how we can know that in this question , acidic is the property of acetylene? help? someonoe told me that more

  97. chemistry

    can u mention me 5 acidic salts , 5 basic salts and 5 neutral salts ?

  98. Chemistry

    (a) What is the pH of 50 mL of a 0.2M glycolic acid aqueous solution after adding 5 mL of 0.25 M KOH? The pKa of glycolic acis is 3.83 at 25 Celsius. (b) Classify each of the following compounds as either "acidic", "basic", or "amphoteric" (able to act as

  99. chemistry

    ) At the equivalence point in the titration of a strong acid with a strong base, do you expect the pH to be acidic, basic, neutral? Explain your answer. If the titration involves a strong acid with a strong base, the pH = 7 at the equivalence point. The pH

  100. Chemistry

    .01 mols of a weak acid is dissolved in .1 L of water. That solution is then reacted with .01 mols of NaOH. Would the resulting solution be acidic, basic, or neutral? Why? What reaction equations support the explanation? I think the answer is that the

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