Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00 g sample of each compound. One sample contains 0.280.28 g of X and the other contains 0.370.37 g of X. Identify plausible sets of formulas for these two compounds.   XY and X2Y X3Y and X4Y X4Y2 and X3Y X2Y and X3Y X2Y2 and X3Y2 XY and X3Y XY3 and XY4

Q: Consider a mixture of 10 billion O2 molecules and 10 billion H2 molecules. In what way is this…

A: The 1st mixture contains 10 billion or 109 O2 molecules and H2 molecules. The 2nd mixture has 109…

Q: 2. Use the following table of bundances and masses of the five aturally occurring titanium isotopes…

A:

Q: A new element, greenriverium (Gr), has three naturally-occurring isotopes. Isotope 1 has a mass of…

A: The atomic mass is the average mass of all the isotopes. So that we calculate the average mass with…

Q: A sample of lithium consists of 400 atoms. 30 atoms are the isotope Lithium-6 (6.015 amu) and 370…

A: Calculation of average atomic mass using % abundance of isotopes:

Q: Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00 g…

A: Given information:Mass of sample = 1.00 gMass of X in first sample = 0.330 gMass of X in other…

Q: A 7.50 g sample of pyrite (FeS2) contains 3.49 g of iron. What are the percentages of iron and…

A: The number of moles of pyrite is calculated as, moles of iron = mass of iron / atomic mass = 3.49 /…

Q: Variations in average atomic mass may be observed for elements obtained from different sources.…

A:

Group 14 Elements

The following elements come under group 14 of the periodic table.