3 years ago

Why are the electrons in metallic bonding referred to as “ delocalized”?

1 answer:

7 0

Answer:

cool

Explanation:

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Goryan [66]

Answer: 4.22 grams of solute is there in 278 ml of 0.038 M $Fe_2(SO_4)_3$

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

$Molarity=\frac{n}{V_s}$

where,

n = moles of solute

$V_s$ = volume of solution in L

Now put all the given values in the formula of molality, we get

$0.038M=\frac{n}{0.278L}$

$n=0.0105mol$

mass of $Fe_2(SO_4)_3$ = $moles\times {\text {Molar Mass}}=0.0105\times 399.88g/mol=4.22g$

Thus 4.22 grams of solute is there in 278 ml of 0.038 M $Fe_2(SO_4)_3$

3 0

3 years ago

Vikki [24]

D) refracted
because , the light changes direction.. causing the penny to look bigger than it is.

4 0

3 years ago

Gnoma [55]

The third one you have listed

4 0

3 years ago

WINSTONCH [101]

1,516.31168 grams of Magnesium Hydroxide

3 0

2 years ago

Mandarinka [93]

VOLUME= 5cm*10cm*2cm =100cm^3
but density of iron=7.874g/cm^3
mass=7.874g*100 =787.4g
mass of that block = 787.4g

7 0

3 years ago