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Airida [17]
2 years ago
12

Draw the hydration shells that form around a potassium ion and a chloride ion when potassium chloride (kcl) dissolves in water.

label the positive, negative, and partial charges on the atoms.

Chemistry
1 answer:
DIA [1.3K]2 years ago
8 0

KCl is an ionized salt which readily dissolved in water and generate potassium and chloride ions. In which potassium posses one unit positive charge and chloride posses one unit negative charge. As water is a polar solvent there are partial positive and negative charge on the hydrogen and hydroxide ion respectively. The high solubility of the potassium chloride (KCl) in water is due to the stabilization of the ions in the polar solvent. The solvation of the ions can be shown as-    

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What is the maximum volume of a 0.788 M CaCl2 solution that can be prepared using 85.3 g CaCl2
LekaFEV [45]
Molar mass CaCl₂ = 111.0 g/mol

number of moles:

n = mass of solute / molar mass

n = 85.3 / 111.0

n = 0.7684 moles of CaCl₂

M = n / V

0.788 M = <span>0.7684 / V
</span>
V = 0.7684 / 0.788

V = 0.97512 L

hope this helps!


3 0
2 years ago
The volume of a gas at 7.00°c is 49.0 ml. if the volume increases to 74.0 ml and the pressure is constant, what will the tempera
marshall27 [118]
Using charles law
v1/t1=v2/t2
v1=49ml
v2=74
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t2=?
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0.175=74/t2  cross multiply
0.175t2=74
t2=74/0.175
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8 0
2 years ago
Which equation shows the proper setup to find the volume of a 0.250 M CaCl2 solution that contains 39.5 g of CaCl2?
Jlenok [28]
Molarity = number of mole of substance(n) / volume of solution (V).

n(CaCl2) = mass (CaCl2)/M(CaCl2)

M(CaCl2) = 40+2*35.5 = 111 g/mol 

n(CaCl2) =39.5 g CaCl2*1 mol/111g

0.250 M = 39.5 g CaCl2*1 mol/111g*volume of solution (V).

volume of solution (V) = 39.5 g CaCl2*1 mol/(0.250 M*111g) = 1.42 L
4 0
2 years ago
Read 2 more answers
. Divide 94.20 g by 3.167 22 mL.
jeka94
94.20 g/3.16722 mL = 29.74 g/mL

The ratio of mass to volume is equal to the substance's density. Thus, 29.74 g/mL is the density of whatever substance it may be. Density does not change for incompressible matter like solid and some liquids. Although, it may be temperature dependent.
7 0
2 years ago
Read 2 more answers
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sammy [17]

Answer:

Zero  

Explanation:

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The charges on the ions are +1 and -1, respectively.

The compound consists of Fr⁺Br⁻ ions.

However, there are equal numbers of + and - charges, so

The overall charge of the compound is zero.

5 0
2 years ago
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