Name two indicators
Methyl orange and Phenolphthalein
What colour is methyl orange at low pH
Red
What colour is methyl orange at a high pH
Yellow
What colour is phenolphthalein at a low pH
Colourless
What colour do is phenolphthalein at a high pH
Pink
Which indicator do you use for a
๐ข๐ฝ๐ป๐ธ๐ท๐ฐ ๐ช๐ฌ๐ฒ๐ญ / ๐๐ฎ๐ช๐ด ๐ซ๐ช๐ผ๐ฎ
Methyl orange
Which indicator do you use for a
๐ฆ๐ฎ๐ช๐ด ๐ช๐ฌ๐ฒ๐ญ / ๐ผ๐ฝ๐ป๐ธ๐ท๐ฐ ๐ซ๐ช๐ผ๐ฎ
Phenolphthalein
What is a ๐๐พ๐ฏ๐ฏ๐ฎ๐ป
A buffer of a a solution the resists changes in pH when small amount of the acid Are added or when its diluted
What symbol is used to find pH of a weak acid
Ka
What symbol is used to find pH of a strong acid
Kw
What is a buffer made up from
Weak bases and one of its salts
How do you calculate pKa
pKa = -log10(Ka)
