Mendeleev’s was organized in atomic mass whereas the modern periodic table is organized by atomic number
The answer is 9. Calcium nitrate is made up
of 3 different elements that equal 9 atoms.
The experimental value of Avogadro's number will be ±0.050.
<h3>What is the degree of accuracy?</h3>
The degree of accuracy refers to the extent to which a measurement is correct. Now we know that the measurement obtained by an instrument is as correct as its degree of accuracy.
Hence, given that the margin of error is about 0.050, the experimental value of Avogadro's number will be ±0.050.
Learn more about degree of accuracy:brainly.com/question/14851657?
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Answer:
21 M
Explanation:
Molarity = mol solute/ L solution = 12 mol/0.583 L ≈ 21 mol/L = 21 M
Answer:
The rusting of the metal is a chemical change.
Explanation: