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sattari [20]
2 years ago
6

A student is preparing 500 mL of a 0.1M solution of magnesium chloride to test the

Chemistry
1 answer:
Dafna11 [192]2 years ago
8 0
4 I think I’m not 100
sure
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Read the following graduated cylinder.<br> How many ML?
postnew [5]

Answer:

12.8 mL

Explanation:

the bolded bar indicates a count of 5. counting from there would add up to 8/10ths of a mL.

5 0
3 years ago
What best describes why hair gel is considered a noncrystalline solid?
ad-work [718]

Given what we know, we can confirm that hair gel is considered a noncrystalline solid due to Atoms in the hair gel having no particular order or pattern.

<h3>What is a noncrystalline solid?</h3>
  • This is a solid whose atoms are amorphous.
  • What this means is that the atoms lack a specific order like most solids.
  • The most common example of this is glass.

Therefore, given the definition of a noncrystalline solid as a solid whose atoms lack a specified order, we can confirm that the second option which states that "Atoms in the hair gel having no particular order or pattern" is correct.

To learn more about Atoms visit:

brainly.com/question/13981855?referrer=searchResults

3 0
3 years ago
1) the average rate of reaction in the first minute
iragen [17]

1. 0+15+30+45+60=150/5=30 s

0+10+16+22+27=75/5=15 cm^3

then, 15/30= 0.5 cm^3/s(average rate of rxn)

2. 0+15+30+45+60+75+90+105+120=540/9=60 s

0+10+16+22+27+31.50+36+39.5+42=224/9=24.89cm^3

then, 24.89/60=0.414cm^3/s (avrg rate of rxn)

3. overall rxn add all the time divide by 12 and the volume add them too and divide by 12. after take average volume divide by the average time to get the average rate of overall rxn

4. 16/30= 0.533cm^3/s

5. 39.5/105= 0.37cm^3/s

3 0
3 years ago
176.5 cm to meters express your answer to four significant figures and include the appropriate units
Mkey [24]

Answer:

17,650 m

Explanation:

100 cm = 1m so, 176.5 × 100 = 17,650m

4 0
2 years ago
When Justin added deionized water to the volumetric flask, he accidentally filled the flask so that the water level was slightly
Igoryamba

Answer:

The actual value of density will be less than the calculated value of density

Explanation:

Density is defined as mass per unit volume. This means that the value of the density of the substance depends on both its mass and its volume.

Since the volume of the water used in the experiment is greater than the required 100mL yet a volume of 100mL was used in the calculation, the actual density of the substance is less than the calculated value of density.

4 0
3 years ago
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