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Module N

Acids and Bases

QuestionAnswer
Acids have a pH of less than 7
What is the most acidic item below? 1) pH of 4 2) pOH of 12 3) Calcium hydroxide 4) water 2) pOH of 12 means it has a pH of 2. It's the more acidic than pH 4, water has a pH of 7 and calcium hydroixde is a base so its pH would be greater than 7
Bases have a pH of greater than 7
Name all of the strong acids nitric acid, hydrchloric acid hydrobromic acid, hydroiodic acid sulfuric acid and perchloric acid
If something has a pH of 6 it has a pOH... 8
Which bases are strong bases? Group 1 and Group 2 metals crossovered with OH-
What is the definition of a proton in acids and bases H+ ion
List the formulas for the 6 strong acids HCl, HBr, HI, H2SO4, HNO3 and HClO4
What is the definition of Bronsted Lowry Base? something that accepts a proton (H+ ion)
What is the definition of Bronsted Lowry Acid? something that donates a proton (H+ ion)
When you add a proton to water, what is the name and formula it becomes? H3O+, the hydronium ion
HSO4- + HF --> F- + H2SO4 Label the acid, base, conjugate acid and conjugate base acid: HF base: HSO4- Conjgate acid (CA): H2SO4 Conjgate base (CB): F-
HCl- + H2O --> ? + Cl- Label the acid, base, conjugate acid and conjugate base acid: HCl base: H2O Conjgate acid (CA): H3O+ Conjgate base (CB): Cl-
If HCO3- is a base, identify the formula and identity of its conjugate pair. For example, if it becomes water you would answer: H2O and conjugate acid or base H2CO3 and it's a conjugate acid
If HBr is an acid, identify the formula and identity of its conjugate pair. For example, if it becomes water you would answer: H2O and conjugate acid or base Br- and it's a conjugate base
If H3PO4 is an acid, identify the formula and identity of its conjugate pair. For example, if it becomes water you would answer: H2O and conjugate acid or base H2PO4- and it's a conjugate base
If NH3 is a base, identify the formula and identity of its conjugate pair. For example, if it becomes water you would answer: H2O and conjugate acid or base NH4+ and it's a conjugate acid
What are the products of when HCl and NaOH are combined? H2O and NaCl Essentially salt water
Created by: erika.johnson
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