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zhuklara [117]
3 years ago
11

What do you add to a base to weaken it

Chemistry
1 answer:
lesantik [10]3 years ago
6 0

Answer:

you dont do anything because then you are supporting it

if u add something

Explanation:

You might be interested in
The ph of a solution prepared by mixing 45.0 ml of 0.183 m koh and 35.0 ml of 0.145 m hcl is ________.
Naddika [18.5K]

Answer:

12.6.

Explanation:

  • We should calculate the no. of millimoles of KOH and HCl:

no. of millimoles of KOH = (MV)KOH = (0.183 M)(45.0 mL) = 8.235 mmol.

no. of millimoles of HCl = (MV)HCl = (0.145 M)(35.0 mL) = 5.075 mmol.

  • It is clear that the no. of millimoles of KOH is higher than that of HCl:

So,

[OH⁻] = [(no. of millimoles of KOH) - (no. of millimoles of HCl)] / (V total) = (8.235 mmol - 5.075 mmol) / (80.0 mL) = 0.395 M.

∵ pOH = -log[OH⁻]

∴ pOH = -log(0.395 M) = 1.4.

∵ pH + pOH = 14.

∴ pH = 14 - pOH = 14 - 1.4 = 12.6.

4 0
3 years ago
Which of the following represents the relative charge of proton
Snowcat [4.5K]
You’ve not put anything below so I’m not sure what the options are but the relative charge of a proton is +1
8 0
2 years ago
In the formation of a macromolecule, what type of bond would join two amino acid subunits?
luda_lava [24]
I think its an Ionic bond although i am not sure about
8 0
3 years ago
Read 2 more answers
2. Graph the following information in a LINE graph. Label and number the x and y-axis approHDILI.
Harman [31]
A) the independent variable is the variable that doesn’t rely on another variable. For this question the independent would be the days.
b) the dependent variable is the number of bacteria
c) ‘Number of bacteria across a number of days’
4 0
3 years ago
what concentration in parts per million in a solution that contains .008 grams of o2 dissolved in 1000 grams of water
julia-pushkina [17]
Ppm = mass of solute mg / mass of solvent kg

0.008 * 1000 =  8.0 mg ( solute )

1000 / 1000 = 1.0 kg (solvent )

ppm = 8 / 1

= 8.0 ppm

hope this helps!
7 0
3 years ago
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