maxicanofb0011
07.09.2021 •
Chemistry
There are only two naturally occurring stable isotopes of chlorine the mass and natural abundance of them listed in the table below use whatever data you need from the Elkins periodic table to determine the identity mass and natural abundance of the other isotopes and complete the table
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Ответ:
292.4 g
Explanation:
2Al + 3H₂SO₄ → 3H₂ + Al₂(SO₄)₃First we convert 53.7 g of Al into moles, using its molar mass:
53.7 g ÷ 27 g/mol = 1.99 mol AlThen we convert Al moles into H₂SO₄ moles, using the stoichiometric coefficients:
1.99 mol Al *Finally we convert 2.98 moles of sulfuric acid into grams, using its molar mass:
2.98 mol H₂SO₄ * 98 g/mol = 292.4 g