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Nikolay [14]
3 years ago
5

Which of the following describes the tiny particles that make up matter?

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
8 0
The answer isssssss d
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Which type of reaction always has an element and a compound as reactants?
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B. single-replacement

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A graduated cylinder contains 20.5 mL of water. What is the new water level after 35.2 g of silver metal with a density of 10.5
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What is the density (g/mL) of an object that has a mass of 0.03 kg and occupies a volume of 25 mL?
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3 years ago
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Chlorine (Cl) is 76% chlorine-35 and 24% chlorine-37. Determine the average atomic mass of chlorine. Show/Explain work.
Flura [38]

Answer:

Average atomic mass of chlorine is 35.48 amu.

Explanation:

Given data:

Percent abundance of Cl-35 = 76%

Percent abundance of Cl-37 = 24%

Average atomic mass = ?

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass  = (76×35)+(24×37) /100

Average atomic mass =  2660 + 888 / 100

Average atomic mass  = 3548/ 100

Average atomic mass = 35.48 amu

Average atomic mass of chlorine is 35.48 amu.

4 0
2 years ago
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