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 »

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 »

How many atoms of oxygen are in a half cup of water?

The simplest answer is that the number of atoms depends on the size of the cup. You can get a rough estimate, however, by weighing the empty cup then weighing the cup when it's half full of water. ... Read More »