4 years ago

Get Organized! A Periodic Table WebQuest

Chemistry

1 answer:

netineya [11]4 years ago

5 0

<h2>Answer:</h2>

What does Atomic number represents ___________.

What does the Mass number represent ___________

Periods are _____________ rows.

Groups are _____________ columns.

Total elements in periodic table are _____________.

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Determine the molecular mass of AIPO4

denpristay [2]

Answer: 121.95587 g/mol

Explanation:

The atomic mass of aluminum is 26.98154 g/mol.
The atomic mass of phosphorous is 30.97673 g/mol.
The atomic mass of oxygen is 15.9994 g/mol.

Therefore, the molecular mass is:

$26.98154 +30.97673 +4(15.9994)=\boxed{121.95587 \text{ g/mol}}$

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2 years ago

What will be the effect on the concentration of NH3 if the pressure decrease

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Answer:

Concentration will decrease

Explanation:

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4 years ago

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If 22.5 L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at a constant temperature. What is the new volume

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=748

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4 years ago