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Studentka2010 [4]
3 years ago
7

Can someone please help me please?

Chemistry
2 answers:
vekshin13 years ago
7 0

Answer:

The sum of the molar masses of each isotope of the element.

Ludmilka [50]3 years ago
6 0

Answer:

The average atomic mass (sometimes called atomic weight) of an element is the weighted average mass of the atoms in a naturally occurring sample of the element.

Explanation:

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How many grams of aluminum in required to produce 17.5 g of hydrogen
azamat

Mass of Aluminum = 157.5 g

<h3>Further explanation</h3>

Given

17.5 g of Hydrogen

Required

Mass of Aluminum

Solution

Reaction

2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂

mol Hydrogen :

= mass : molar mass

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