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leva [86]
3 years ago
14

When iocnic solids dissolve in water, the break down into the ____ ions (cations) and ___ ions (anions) that they contain?

Chemistry
1 answer:
ddd [48]3 years ago
8 0
What are the answers

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A 4.305-g sample of a nonelectrolyte is dissolved in 105 g of water. the solution freezes at -1.23c. calculate the molar mass of
amid [387]
The answer is 62.00 g/mol. 
Solution: 
Knowing that the freezing point of water is 0°C, temperature change Δt is 
     Δt = 0C - (-1.23°C) = 1.23°C 
Since the van 't Hoff factor i is essentially 1 for non-electrolytes dissolved in water, we calculate for the number of moles x of the compound dissolved from the equation 
     Δt = i Kf m 
     1.23°C = (1) (1.86°C kg mol-1) (x / 0.105 kg) 
     x = 0.069435 mol 
Therefore, the molar mass of the solute is  
     molar mass = 4.305g / 0.069435mol = 62.00 g/mol
6 0
2 years ago
In a given chemical reaction the energy of products is great than the energy of the reactants which statement is true? (Hint wha
professor190 [17]
The true statement is (A) energy is absorbed during the reaction
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6 0
3 years ago
Does a substance that heats up quickly have a high or a low specific heat capacity
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A low specific heat capacity
4 0
3 years ago
What does Avogadro's law state and what is the formula​
sertanlavr [38]

The law is approximately valid for real gases at sufficiently low pressures and high temperatures. The specific number of molecules in one gram-mole of a substance, defined as the molecular weight in grams, is 6.02214076 × 1023, a quantity called Avogadro's number, or the Avogadro constant.

5 0
2 years ago
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Chemists investigated an unknown substance and found it to have the following characteristics:
bija089 [108]

The answer is option C.

That is it is a heterogeneous mixture.

Heterogeneous mixture have the following properties:

1. Different components could be observed in the substance.

2. Different samples of the substance appeared to have different proportions of the components.

3.The components could be easily separated using filters and sorting.


7 0
3 years ago
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