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just olya [345]
3 years ago
11

If 15.6g of titanium reacts with oxygen to form 20g of titanium oxide what is the mass of oxegen

Chemistry
1 answer:
Nata [24]3 years ago
4 0
15.6+m=20
M=20-15.6
M=4.4g
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<u>5 moles S x (36.02 g S/mole S) = 180.1 grams of S</u>

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The periodic table has mass units for every element that can be correlated with the number of atoms of that element.  The relationship is known as Avogadro's Number.  This number, 6.02x10^{23} , is nicknamed the mole, which scientists found to be a lot more catchy, and easier to write than  6.02x10^{23}.  <u>The mole is correlated to the atomic mass of that element.</u>  The atomic mass of sulfur, S, is 36.02 AMU, atomic mass units.  <u>But it can also be read as 36.02 grams/mole.</u>

<u></u>

<u>This means that 36.02 grams of S contains 1 mole (6.02x</u>10^{23}<u>) of S atoms</u>.

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