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zubka84 [21]
3 years ago
9

Calculate the moles in 8083.8 mL of a gas at STP

Chemistry
1 answer:
atroni [7]3 years ago
4 0

Answer:

8083.8ml x 1 L/1000ml x 1mole/ 24L = 194.01 moles

Explanation:

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Sugar is a compound made of carbon, hydrogen and oxygen.

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3 years ago
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1. Mg2+ and Ca2+ are in the same group on the periodic table. In terms of electronic
finlep [7]

Answer:

Se detailed explanation.

Explanation:

Hello,

In this case, since both magnesium and calcium ions are in group IIA, we can review the following similar properties:

- Since both calcium and magnesium are in group IIA they have two valence electrons, it means that the both of them have two electrons at their outer shells.

- They are highly soluble in water when forming ionic bonds with nonmetals such as those belonging to halogens and oxygen's family.

- Calcium has 18 electrons and magnesium 10 which are two less than the total protons (20 and 12 respectively) since the both of them have lost two electrons due their ionized form.

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Ca^{20}=1s^2,2s^2,2p^6,3s^3,3p^6,4s^2\\\\Mg^{12}=1s^2,2s^2,2p^6,3s^2

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3 years ago
Briefly explain the difference between hard water and soft water.​
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Answer:

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3 years ago
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C and A because the product of a matter will always be the same and just google A.
4 0
3 years ago
a 68.4-g sample of potassium chloride was added to 200.0g of water at 20 degrees C. Is the solution saturated, unsaturated, or s
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Answer is: the solution is saturated.

Solubility of potassium chloride (KCl) on 20°C is  34.2 grams in 100 grams of water, so in 200 grams of water will dissolve two times more salt (68.4 g).

Saturated solution contains the maximum concentration of a solute dissolved in the solvent (usually water) and if extra solute is add to saturated solution, that solute will not dissolve.

The amount of solute that can be dissolved in a solvent depends of chemical composition, temperature and pressure.

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3 years ago
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