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Evgen [1.6K]
3 years ago
5

Meet /svc-jgyu-fiijoin​

Chemistry
1 answer:
arsen [322]3 years ago
5 0

Answer:

what are we doing there???

bye, have a nice day!

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Potassium hydroxide, also known as lye, dissociates into metal and hydroxide ions in water.
lesya692 [45]

Answer:

strong acid and weak base

Explanation:

#carryonlearning

5 0
3 years ago
What is [OH-]? Please include work so I know how to answer future questions. Thanks! :)
kramer

Answer:

i know it is alot but that is how are teacher told us to do, hope this is correct

Explanation:

a. 2.6

b. 12.0

Explanation:

a.

First, we will calculate the molar concentration of HCl.

M = mass of HCl / molar mass of HCl × liters of solution

M = 0.40 g / 36.46 g/mol × 4.5 L

M = 2.4 × 10⁻³ M

HCl is a strong monoprotic acid, so [H⁺] = 2.4 × 10⁻³ M. The pH is:

pH = -log [H⁺]

pH = -log 2.4 × 10⁻³ = 2.6

b.

First, we will calculate the molar concentration of NaOH.

M = mass of NaOH / molar mass of NaOH × liters of solution

M = 0.80 g / 40.00 g/mol × 2.0 L

M = 0.010 M

NaOH is a strong base with 1 OH⁻, so [OH⁻] = 0.010 M. The pOH is:

pOH = -log [OH⁻]

pOH = -log 0.010 = 2.0

The pH is:

14.00 = pH + pOH

pH = 14.00 - pOH = 14.00 - 2.0 = 12.0

6 0
3 years ago
Comparing mitosis and meiosis can you help anyone
Reil [10]
Ok then! So mitosis is when a cell splits and doesn't lose/gain any chromosomes. In meiosis the chromosomes join and split evenly at the cell's "poles". Chromosomes will be lost evenly through this process.
5 0
3 years ago
Can someone please help me on this!! It’s due for my next class Will give brainliest and a heart if completed!!
AleksAgata [21]

Answer:

high for one the low for two

5 0
3 years ago
What property of an atom determines its general reactivity?
Firlakuza [10]
The Chemical reactivity of metals varies with your eletropositividade, so the more eletropositivo is the most reactive element is metal. The most reactive metals are those that have great tendency to lose electrons and  therefore form positive ions with more ease.

hope this helps!
4 0
3 years ago
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