<span>28 of 64 = 28/64 = 28:64 = 64÷24.
</span>28/64=6/16
28:64=6:16
64÷24=2.66
Hoped I helped!
That bracket symbol, with an r in it, means "the absolute value of r".
So r's absolute value is -2 meaning r is two units from zero
r= 2
Answer:
D
Step-by-step explanation:
The answer is d
Step-by-step explanation:
Since Ca(OH)2 is Basic, we need to find pOH:
pOH = - log [OH-]
pOH = - log(0.0001)
pOH = - ( - 4)
pOH = 4
Since, pH + pOH = 14
Therefore,
pH of 0.0001M sol. of Ca(OH)2 = 10