abeka phy sci section 15.3

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salts

formed by an acid and base

acids

sour taste

bases

bitter taste, slippery feel

neutral

neither an acid or base

strong acid

sulfuric acid, hydrochloric acid, and nitric acid

weak acid

acetic acid

strong base

sodium hydroxide and potassium hydroxide

weak base

ammonia

neutralization

when a strong acid and strong base react to produce water and a salt

pH scale

 represents concentration of hydrogen

acidic

range 0-6.9 on pH scale

basic

range 7.1-14 on pH scale

neutral

7 pH

acid-base indicator

substance that changes color depending on pH; example litmus

buffer

doesn’t change in pH because it contains a weak acid and weak base