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xxMikexx [17]
2 years ago
5

How many grams of sulfur in 4.20 x 1021 atoms of sulfur?

Chemistry
1 answer:
Stolb23 [73]2 years ago
6 0

Answer:

look it up

Explanation:

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aalyn [17]

Answer:

1,b

2,c

3,d

4,g

5a

6f

7,e

Explanation:

1,environment

2,community

3,ecosystem

4,organism

5,amniotic

6,biotic

7,population

3 0
3 years ago
Cree que podríamos vivir sin leyes
astraxan [27]

Answer:

nop

Explanation:

porqUE todo sería un desastre

3 0
3 years ago
Help, please X﹏X<br><br><br><br>- The picture in the right is after the water drained out -
lutik1710 [3]
There’s no picture in your question
6 0
3 years ago
Read 2 more answers
n an experiment the gram atomic mass of magnesium was determined to be 24.7. Compared to the accepted value 24.3, the percent er
AysviL [449]

Answer:

B) 1.65

Explanation:

See the image uploaded for the percent error formula

Work:

Theoretical Value - Accepted Value/Accepted Value * 100

= (24.7-24.3)/24.3 * 100

= 0.4/24.3 * 100

= 0.0164609053 * 100

= 1.64609053

Can be rounded to 1.65%

4 0
3 years ago
Matt did an experiment to study the solubility of two substances. He poured 100 mL of water at 20 °C into each of two beakers la
Black_prince [1.1K]

Part 1 : Answer is only B substance is soluble in water.

In this experiment undissolved mass of each substance was measured. According to the given data, undissolved mass of substance B at 20 °C is 10 g while A is 50 g. Since, the initial added mass of each substance is 50 g, we can see that substance A is not soluble in water since the undissolved mass is 50 g.

Part 2 : Substance A is not soluble in water and substance B is soluble in water.

According to the given data, the undissolved mass of substance A remains as same as initial added mass, 50 g throughout the temperature range from 20 ° to 80 °C. Hence, we can conclude that substance A is not soluble in water.

But, according to the data, undissolved mass of substance B at 20 °C is 10 g. That means, 40 g of substance B was dissolved in water. When the temperature increases the undissolved mass of substance B decreases. Hence, we can conclude that substance B is soluble in water and solubility increases with temperature.


4 0
3 years ago
Read 2 more answers
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