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soldi70 [24.7K]
3 years ago
8

Your science teacher hands you a small container filled with an unknown liquid substance. He asks you to measure the mass of the

liquid. What lab equipment will you use and how do you calculate the mass of just the liquid? Be sure to describe the process you would follow step-by-step.
Chemistry
1 answer:
nevsk [136]3 years ago
3 0
 <span>measure the mass of an empty container. add the liquid measure the mass of the container with the liquid. subtract the two measurements to find the mass of the liquid by itself. you'll need an empty container and a balance.</span>
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Metric conversions.<br> Please help ASAP.
lesya692 [45]

Answer:

14. 13.2cg = 1.32dg

15. 3.8m = 0.0038km

16. 24.8L = 24800mL

17. 0.87kL = 870L

18. 26.01cm = 0.0002601km

19. 0.001hm = 10cm

Explanation:

14. 13.2/10 = 1.32

15. 38/1000 = 0.0038

16. 24.8(1000) = 24,800

17. 0.87(1000) = 870

18. 26.01/100000 = 0.0002601

19. 0.001hm(10000) = 10

An easy way to do these by yourself is to familiarize yourself with what each prefix means. Once you do this, you can multiply the value of the prefix when converting from a smaller unit of measurement to a larger one and divide the value of the prefix when converting from a large unit of measurement to a smaller one.

7 0
3 years ago
What mass of potassium chloride, KCl, is produced when 12.6 g of oxygen, 02, is produced?
blagie [28]

Mass of KCl= 19.57 g

<h3>Further explanation</h3>

Given

12.6 g of Oxygen

Required

mass of KCl

Solution

Reaction

2KClO3 ⇒ 2KCl + 3O2

mol O2 :

= mass : MW

= 12.6 : 32 g/mol

= 0.39375

From the equation, mol KCl :

= 2/3 x mol O2

= 2/3 x 0.39375

=0.2625

Mass KCl :

= mol x MW

= 0.2625 x 74,5513 g/mol

= 19.57 g

4 0
3 years ago
In a homogeneous mixture, the liquid is the?
scoray [572]
<span>the solvent, hope this helps</span>
5 0
3 years ago
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Murljashka [212]

Answer:

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Explanation:

8 0
3 years ago
A scientist dissolves 10 g of NaOH into 0.275 L of water. What is the
Damm [24]
The answer is 0.9091 M
5 0
3 years ago
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