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Cloud [144]
3 years ago
12

0.408 grams to moles

Chemistry
1 answer:
fiasKO [112]3 years ago
5 0

Answer:

0.003329266949273563

Explanation:

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in order for a scientific theory to become a scientific law it needs to be tested with generations of data to confirm that it is really true.

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3 years ago
What happens when energy is released during atomic fission
Vesnalui [34]
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4 0
3 years ago
4.81*10^24 atoms of lithium
enyata [817]

Answer:

Mass = 55.52 g

Explanation:

Given data:

Number of atoms of Li = 4.81×10²⁴ atom

Number of grams = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

For Li:

4.81×10²⁴ atom × 1 mol / 6.022 × 10²³ atom

8 moles

Mass in gram:

Mass = number of moles × molar mass

Mass = 8 mol × 6.94 g/mol

Mass = 55.52 g

4 0
3 years ago
Answer this i boot you
noname [10]

Answer: answer what

Explanation:

7 0
2 years ago
Which of the following groups of chemical elements would you expect to be most alike in their physical and chemical properties?
juin [17]
Many elements show very strong similarities to each other.<span>For example, lithium (Li), sodium (Na), and potassium (K) are all soft, very reactive metals. 

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8 0
3 years ago
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