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Nataliya [291]
3 years ago
6

How would you separate copper sulfate crystals from its solution?​

Chemistry
1 answer:
tia_tia [17]3 years ago
4 0

Answer: You would separate it by dissolving them.

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In a 63.17 g sample of SO3, how many grams are sulfur?
Evgesh-ka [11]

Answer:

25.30 gram

Explanation:

No of moles = given mass / molar mass

No of moles = 63.17/80.06

0.7890 moles

Mass of sulphar = no of moles× molar mass of sulphar

Mass of sulphur = 0.7890×32.065

25.30 gram

4 0
3 years ago
How many neon atoms are contained in (7.27x10^2) grams of neon?
statuscvo [17]

Answer: 2.19x10^25 atoms

Explanation:

Molar Mass of Neon = 20g/mol

1mole(20g) of Neon contains 6.02x10^23 atoms.

Therefore, 7.27x10^2g of Neon will contain x atoms i.e

X atoms = (7.27x10^2x6.02x10^23)/20 = 2.19x10^25 atoms

4 0
3 years ago
Methyl pentanoate condensed structural formula
Svetlanka [38]

Answer:

C6H12O2 is the formula for Methyl pentanoate

6 0
3 years ago
Why isn’t K+ H2O —> KOH + H2 not balanced?
alex41 [277]

Answer:

The obtained result indicates that the hydrogen atom is not equal on both sides. Thus the reaction is not balanced.

Explanation:

6 0
2 years ago
An empty Erlenmeyer flask weighs 241.3 g. When filled with water (d = 1.00 g/cm³), the flask and its contents weigh 489.1 g. (a)
miskamm [114]

The answer is- Volume of flask = 247.8 cm^3 or 247.8 mL.

Density (d) is defined as mass of substance divided by its volume. Thus, if mass and density are known, then Volume can be determined.

What is the formula of volume in terms of density?

  • Let mass of substance be 'm' and volume be 'V'. Thus, as per the definition of density, it is expressed as-

d = \frac{m}{V}

Thus, volume can be expressed as-

V =\frac{m}{d}

  • Now, mass of empty flask = 241.3 g and the mass of  (flask + Water) = 489.1 g.

Thus, mass of water = 489.1\ g- 241.3\ g = 247.8\ g.

  • Thus, mass of water = 247.8 g and density of water =1.00\ g/cm^3. Its volume is calculated as-

V = \frac{247.8\ g}{1.00\ g/cm^3}=247.8\ cm^3

  • Hence, volume of flask = 247.8 cm^3 or 247.8 mL.

To learn more about Density and Volume, visit:

brainly.com/question/952755

#SPJ4

8 0
2 years ago
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