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kramer
3 years ago
7

how does one describe the degree of saturation in terms of polarity and amounts of solutes and solvent

Chemistry
1 answer:
Svet_ta [14]3 years ago
7 0
Like dissolves Like.
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Calcium carbonate can be decomposed by heating: CaCO3 - CaO + CO2
Galina-37 [17]

Answer: 13.888g

Explanation:

CaCO3 —> CaO + CO2

From the equation above, 1mole of CaCO3 produces 1mole of CaO. Since the answer is to be expressed in grams, let us covert this mole to grams. This is illustrated below:

MM of CaCO3 = 40 +12 + (16x3) = 40 + 12 + 48 = 100g/mol

MM of CaO = 40 + 16 = 56g/mol

From the equation,

100g of CaCO3 produced 56g CaO

Therefore, 24.8g of CaCO3 will produce Xg of CaO i.e

Xg of CaO = (24.8 x 56) / 100 = 13.888g

Therefore, the theoretical yield of CaO is 13.888g

3 0
3 years ago
Help plz !!!!!!!!!!!!
melamori03 [73]

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4 0
3 years ago
How many picoliters are in 3.16 mL
marissa [1.9K]

Answer:

3.16×10⁹ pL

Explanation:

Given data:

Volume in mL = 3.16

Volume in picoliters = ?

Solution:

Picoliter and milliliters are units of volume. Milliliter is greater unit than picoliter.

1 mL = 10⁹ pL

Now we will convert the 3.16 mL into pL.

3.16 mL × 10⁹ pL/ 1 mL

3.16×10⁹ pL

4 0
4 years ago
An ionic compound has a solubility of 30 g per 100 mL of water at room temperature. A solution containing 70 g of the compound i
Llana [10]

Answer: A. unsaturated.

Explanation:

Unsaturated solution is defined as the solution in which more solute particles can be dissolved in the solvent.

Saturated solution is defined as the solution in which no more solute particles can be dissolved in the solvent.

Supersaturated solution is defined as the solution in which more amount of solute particles is present than the solvent particles.

Given:  Solubility = 30g/100ml

If 100 ml can dissolve ionic compound = 30 g

300 ml can dissolve ionic compound  =\frac{30}{100}\times 300=90g

Thus solubility is 90g/300 ml and dissolved salt is only 70 g , the solution is said to be unsaturated.

3 0
3 years ago
Which option correctly describes the pattern of reactivity and electronegativity in nonmetals?(1 point)
GaryK [48]

Answer:

A

Explanation:

Did it

6 0
2 years ago
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