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leonid [27]
3 years ago
11

How do u separate salt from rock salt?

Chemistry
1 answer:
Shalnov [3]3 years ago
7 0
<span>In order to separate salt from rock salt, first crush the salt rock into small pieces, put it in a container and add water. Stir until it dissolves. Pour the solution to a funnel lined with coffee filter. Heat the filtered water and the water will evaporate leaving salt behind.<span>
</span></span>
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Find the pH of 8.4x10^-8 M HCl. Report the answer to the hundredths place.
Hunter-Best [27]

Answer:

pH = 7.08

Explanation:

HCl ---------> H^+ + Cl^-

It's an acid, we are using this formula

pH = -log [H]^+

H^+ = 8.4 * 10^-8

pH = - log [8.4 * 10^-8]

It can also be solved as

-log 8.4-(-8log 10)

-0.924-(-8×1)

-0.924+8

7.076

To the nearest hundredth

pH = 7.08

8 0
3 years ago
Ionic bonds usually have a ?
iVinArrow [24]

Answer:

Ionic bonding is the complete transfer of valence electron(s) between atoms.

Explanation:

It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.

6 0
3 years ago
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Can you see a non living and living atoms with a magnifying glass ??
WARRIOR [948]

Answer:

no

Explanation:

you would need an electron microscope to see atoms.

7 0
3 years ago
A gas occupies a volume of 50 mL and 630 mmHg. At what temperature in Celsius, would the pressure be 101.3 kPa if the volume rem
KATRIN_1 [288]

Answer:

then it would still be 101.3

Explanation: because if it's constant that means it remained still

4 0
2 years ago
The volume of a cube that measures 10cm in length, 10 cm in width, and 10 cm in height is 1 L. True of False
algol13

Answer: False

Explanation:

1 Cubic centimeter (cm³) = 0.001 liter (L).

Volume of = 10 x 10 x 10 = 1000cm³

To convert cubic centimeters to liters, multiply the cubic centimeter value by 0.001 or divide by 1000.

8 0
3 years ago
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