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Masteriza [31]
3 years ago
5

The mass of the electron is..

Chemistry
2 answers:
musickatia [10]3 years ago
5 0
The answer to the question is b
Molodets [167]3 years ago
3 0
The correct answer is b, almost the same as a the proton
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How many grams of NH3 can be dissolved in 50 grams of water at 50oC?
weqwewe [10]

15 grams of  NH3 can be dissolved

<h3>Further explanation</h3>

Given

50 grams of water at 50°C

Required

mass of NH3

Solution

Solubility is the maximum amount of a substance that can dissolve in some solvents. Factors that affect solubility  

  • 1. Temperature:
  • 2. Surface area:
  • 3. Solvent type:
  • 4. Stirring process:

We can use solubility chart (attached) to determine the solubility of NH3 at 50°C

From the graph, we can see that the solubility of NH3 in 100 g of water at 50 C is 30 g

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= 50/100 x 30

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3 years ago
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