How many oxygen atoms are in 2.40g of quartz?

Answer 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... Read More »

Top Q&A For: How many oxygen atoms are in 2.40g of quartz

How many atoms are in oxygen?

Officially discovered in 1774 by English scientist Joseph Priestley, the element oxygen commonly exists in gas form and is categorized into the non-metals group of the periodic table. A diatomic ga... Read More »

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... Read More »

Do all oxygen atoms have the same mass?

All oxygen atoms do not have the same mass. Isotopes and radioisotopes of oxygen range from O-12 to O-24, which begets an atomic mass ranging from 12 to 24u. However, over 99 percent of oxygen atom... Read More »

How many oxygen atoms are in sugar?

The chemical name of table sugar is sucrose, and its molecular formula is C₁₂Hâ‚‚â‚‚O₁₁; it thus contains 11 oxygen atoms per molecule. Other sugars may contain more or fewer oxygen atoms. ... Read More »