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Flashcards in 4. Acids And Bases Deck (20)
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Dissociation of water
Strong forces between water molecules can actually remove __ atom from a _____ molecule

H, water

1

Dissociation of water
The free hydrogen atom can ready with another ___

H2O

2

Dissociation of water
OH negative is a

Hydroxide ion

3

Dissociation of water
H3O positive is a

Hydronium ion

4

The relative amount of hydronium ions(H3O+) in a solution

Acidity

5

Acidic solutions contain _____ concentrations of H3O+ than hydroxide ions (H3O+>OH-)

Higher

6

Acids tend to have a ____ taste

Sour

7

Acids can burn skin, eyes, and _____

Mucous membranes

8

Very high concentrations of acids are _____

Corrosive

9

Acids are not always ____

Harmful

10

A measure of the relative amounts of HYDROXIDE IONS (OH-) dissolved in a solution

Alkalinity

11

A basic solution contains more ____ than ____ ions

OH-, H3O+

12

The term alkaline also refers to _____ _____

Basic substances

13

Have bitter taste, tend to feel slippery

Bases

14

What is the pH scale

Scale for measuring the concentration of H3O+ and OH- in a solution

15

The pH scale ranges from ____ to ____

0, 14

16

0-6.9 is a

Acidic solution

17

7 is a

Neutral

18

7.1-14 is a

Basic or alkaline solution

19

Chemical substances that neutralize small a,outs of acid or base

Buffers