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klasskru [66]
1 year ago
10

Calculate each of the following quantities:

Chemistry
1 answer:
allsm [11]1 year ago
3 0

The molarity of a solution prepared by diluting 25.71 mL of 0.0706 M ammonium sulfate to 500.00 mL is 0,0036M.

<h3>What is molarity?</h3>
  • Molar concentration, also known as molarity, quantity concentration, or substance concentration, is a unit used to describe the amount of a substance in a solution expressed as a percentage of its volume.
  • The number of moles per liter, denoted by the unit symbol mol/L or mol/dm3 in SI units, is the most often used unit denoting molarity in chemistry.
  • One mol/L of a solution's concentration is referred to as one molar, or 1 M.
<h3>What is the molarity unit in the SI?</h3>
  • The most common unit for molarity in chemistry is moles per liter, which is represented by the unit sign mol/L or moldm3 in SI units.

Learn more about molarity here:

brainly.com/question/8732513

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Calculate the pH of a 0.0224M HCl solution.
kap26 [50]

Answer: 1.65

Explanation:

For a 0.0224M HCl solution the concentration of the hydrogen ions,

[H+] = is 0.0224 mol/L (i.e. 0.0224 M)

pH = −log[H+]

Substituting H+ = 0.0224 into the equation

pH = - log[0.0224]

pH = 1.649

pH = 1.65

6 0
3 years ago
C2h6o how many moles of ethanol are present in a 10.0 g sample of ethanol
Dmitriy789 [7]
46 gram of ethanol ≡ 1 mole of ethanol
1 gram of ethanol ≡ 1/46 mole of ethanol
10 gram of ethanol ≡ 1*10/46 mole of ethanol
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5 0
3 years ago
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What is the pH of an acid with a [H+] of 1.0 x 10&amp;-4 M?<br><br> 1. 4<br> 2. 10<br> 3. 1<br> 4. 7
True [87]
PH scale is from 1 to 14 and indicates how acidic or basic a solution is. To find pH or pOH we need to know the H⁺ ion concentration or OH⁻ concentration.
pH can be calculated using the following equation;
pH = -log[H⁺]
the H⁺ concentration of the given acid is 1.0 x 10⁻⁴ M. substituting this we can find the pH 
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answer is 1) 4
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2 years ago
Choose from the following descriptions of solid:
mixas84 [53]
Pretty sure it's C!
3 0
3 years ago
If 100. ml of water is added to 25 ml of 5.0 m nacl, the final concentration is __________.
Iteru [2.4K]
We may apply a mass balance here. The total moles of NaCl will remain constant before and after the mixing of the solutions. We have three solutions:
1) 25 ml of 5 M NaCl
2) 100 ml of 0 M NaCl
3) A mixture of these solutions with volume 125 ml and concentration C

The moles of a substance are equal to the product of the concentration and volume. Thus:

25 * 5 + 100 * 0 = 125 * C
C = 1 M

The concentration of the final solution is 1 M.
4 0
2 years ago
Read 2 more answers
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