3 years ago

What is the answer?? I need help

1 answer:

6 0

Answer:

covalent

Explanation:

flourine and sulfur are both nonmetals/anions, therefore it is covalent.

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stepan [7]

Answer:

How many atoms are in 6.2 moles of aluminum? I mol = 6.02X1023 atoms so 6.2 mol = 6.2x (6.02x1025) = 3.73 x1024 atoms of Aluminum

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3 years ago

podryga [215]

Answer: The molality of solution is 0.66 mole/kg

Explanation:

Molality of a solution is defined as the number of moles of solute dissolved per kg of the solvent.

$Molarity=\frac{n\times 1000}{W_s}$

where,

n = moles of solute

$W_s$ = weight of solvent in g

moles of $K_2SO_4$ = $\frac{\text {given mass}}{\text {Molar Mass}}=\frac{58.0g}{174g/mol}=0.33mol$

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

$Molality=\frac{0.33\times 1000}{500g}=0.66mole/kg$

Therefore, the molality of solution is 0.66 mole/kg

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Gennadij [26K]

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Metals are ductile not non metals

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Llana [10]

It is a mutation of the gene that makes hemoglobin, hemoglobin is a protein that carries oxygen in red blood cells.

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