How many oxygen atoms are in 2.40g of quartz
How many oxygen atoms are in 2.40g of quartz?
One mole of quartz (SiO4) has a mass of 92.09 g. Thus, 2.40 g of quartz equals 0.026 moles. Since there are 6.022 x 10 to the 23rd power molecules in one mole, there are 1.57 x 10 to the 22nd power...
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How many atoms are in 1.25 mol of oxygen?
According to Avogadro's number, a mole represents 6.022 x 10²³ molecules. Thus, 1.25 moles of oxygen would contain:(1.25 moles) (6.022 x 10²³ molecules/mole) = 7.53 x 10²³ moleculesOxygen, ho...
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How many oxygen atoms are in nitrogen dioxide?
Two oxygen atoms and one nitrogen atom are in nitrogen dioxide (NO2). In chemical terms, the prefix "di-" denotes the value of two. Other prefixes, such as tri, tetra and penta, represent values o...
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How many hydrogen&oxygen atoms are in ammonia?
Ammonia is a "tetrahedral" molecule with four atoms. It has three hydrogen and no oxygen atoms. The fourth atom in the molecule is nitrogen. The molecule is shaped like a flattened triangular pyram...
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How many atoms are in one mole of uranium atoms?
One mole, also known as Avoagadro's number, always equates to 6.022 times 10 to the power of 23 atoms. It does not change from element to element. Thus, there are 602,200,000,000,000,000,000,000 at...
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