1.
a) How many MOLECULES of disulfur decafluoride are present in 1.59 grams of this compound ? ______ molecules
b). How many GRAMS of disulfur decafluoride are present in 1.04×1023 molecules of this compound ? ______ grams.
2. Arrange the following elements in order of increasing electronegativity:
beryllium, nitrogen, carbon, boron (smallest to largest)
3. Arrange the following elements in order of increasing electronegativity:
tellurium, selenium, polonium, sulfur (smallest to largest)
1. a) How many MOLECULES of disulfur decafluoride are present in 1.59 grams of this compound...
How many ATOMs of sulfur are present in 4.60 grams of disulfur decafluoride? ____ atoms of sulfur. How many GRAMS of fluorine are present in 1.77 times 10^22 molecules of disulfur decafluoride? ____ grams of fluorine.
1. How many GRAMS of sulfur are present in 2.00 moles of disulfur decafluoride ? grams. 2. How many MOLES of fluorine are present in 2.19 grams of disulfur decafluoride? moles.
1. How many ATOMS of sulfur are present in 4.77 moles of disulfur decafluoride? atoms of sulfur. 2. How many MOLES of fluorine are present in 1.05x1021 molecules of disulfur decafluoride? moles of fluorine.
1. How many MOLECULES of boron trichloride are present in 8.03 grams of this compound ? 2. How many GRAMS of boron trichloride are present in 1.34×1022 molecules of this compound ? 3) How many ATOMS of sulfur are present in 6.70 grams of sulfur dichloride ? 4) How many GRAMS of chlorine are present in 3.07×1022molecules of sulfur dichloride ?
1. How many MOLECULES of boron tribromide are present in 6.40 grams of this compound ? molecules. 2. How many GRAMS of boron tribromide are present in 4.51x1020 molecules of this compound? grams.
1) How many MOLECULES of boron trichloride are present in 4.14 moles of this compound ? 2) How many MOLES of boron trichloride are present in 1.34×1022 molecules of this compound ? 3) How many ATOMS of sulfur are present in 3.55 moles of sulfur dichloride ? 4) How many MOLES of chlorine are present in 3.07×1022 molecules of sulfur dichloride ?
1. How many MOLECULES of boron tribromide are present in 4.37 moles of this compound ? molecules. 2. How many MOLES of boron tribromide are present in 6.07×1022 molecules of this compound ? moles. 1. How many ATOMS of nitrogen are present in 1.22 moles of nitrogen trifluoride ? atoms of nitrogen. 2. How many MOLES of fluorine are present in 1.64×1022 molecules of nitrogen trifluoride ? moles of fluorine.
A. How many moles of silicon dioxide, SiO2 , are present in a sample that contains 3.61 moles of oxygen atoms? B. How many moles of oxygen atoms are present in a sample that contains 2.95 moles of SiO2 ? C. How many moles of sulfur atoms are present in a sample that contains 1.92 moles of disulfur decafluoride, S2F10 ? D.How many moles of S2F10 molecules are present in a sample that contains 6.13 moles of sulfur atoms? E....
1. How many ATOMS of sulfur are present in 9.92 grams of sulfur tetrafluoride, SF4? ____ atoms of sulfur 2. How many GRAMS of fluorine are present in 4.58×1022 molecules of sulfur tetrafluoride? ____grams of fluorine 3. How many GRAMS of boron are present in 3.42 moles of boron trichloride, BCl3? ____grams 4. How many MOLES of chlorine are present in 3.38 grams of boron trichloride? ____moles 5. How many GRAMS of copper(II) are present in 4.84 grams of copper(II)...
a. How many grams of sodium phosphate, Na3PO4, are present in 2.23 moles of this compound? grams b. How many moles of sodium phosphate are present in 3.73 grams of this compound? moles a. How many moles of sulfur hexafluoride, SF6, are present in 2.93 grams of this compound? moles b. How many grams of sulfur hexafluoride are present in 3.30 moles of this compound? grams