Which substance has the highest ph? A. Tomato
B. Unpolluted rainwater
C. Ammonium hydroxide
D. Orange juice

c ammonium hydroxide nh4oh has higher ph value and its a base

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c) ammonium hydroxide

Explanation:

c ammonium hydroxide nh4oh has higher ph value, and it is an alkaline

1. they vary with a higher number because boiling is way hotter than melting

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l