38. Calculate the number of atoms in each of the following quantities. Show work by using moles.
a. 10.8 g boron b. 20.0 g calcium c. 35.9 g titanium d. 45.8 g barium e. 26.97 g silver d. 682.8 g platinum
38. Calculate the number of atoms in each of the following quantities. Show work by using...
Calculate each of the following quantities in 0.180 mol of C6H14O. 1. Calculate the number of moles of C (nC). Express your answer with the appropriate units. 2. Calculate the number of moles of O (nO). Express your answer with the appropriate units. 3. Calculate the number of atoms of H (NH). Express the number of atoms numerically. 4. Calculate the number of atoms of C (NC). Express the number of atoms numerically.
Calculations Based on Chemical Formulas (Section 6-5) 6-29 Determine the number of atoms present in 20.0 g! samples of each of the following elements? a. Be b. Ar 6-31 Determine the mass, in grams, of each of the following quantities of substance. a. 6.02 x 102 copper atoms b. 3.01 x 102 copper atoms d. 1 silver atom 6-33 Determine the number of moles of substance present in each of the following quantities. a. 10.0 g He b. 10.0 g...
Calculate each of the following quantities in 0.170 mol of C6H14O. Calulate the number of atoms of 1. H (NH) 2. C (NC) *Express the number of atoms numerically.
d. Pb 6-31 Determine the mass, in grams, of each of the following quantities of substance. a. 6.02 x 102 copper atoms SIVULLU Determine the number of moles of substance present in each of the following quantities. a. 10.0 g He b. 10.0 g NO c. 4.0 X 1010 atoms P 1 LII01 II 6-37 Determine the number of grams of sulfur present of the following quantities. a. 3.01 x 1023 S O molecules b. 3 SNA molecules c. 2.00...
I need each question answered. #6-12 6. Calculate the number of nitrogen atoms are present in each of the following quantities. A) 8.45x10 kg nitric acid B) 1280 dg of calcium nitrate 7. Write the empirical formula of the following compounds. A) H2S2 D) Co:PO B) ZnP203 E) C:H16012 C) C12H1oCl2 F) Au204 8. First balance the equation below the answer the questions that follow. ZrCN(aq) + Al2(S2O3)3(aq) — Zr2S2O3(s) + A) How many moles of ZnSO, of can form...
Calculate the following quantities: (a) mass, in grams, of 1.50 x 10^-2 mol CdS (b) number of moles of NH4Cl in 86.6 g of this substance (c) number of molecules in 8.447 x 10^-2 mol C6H6 (d) number of O atoms in 6.25 x 10^-3 mol Al(NO3)3
3. How many atoms are in each of the following? a. 7.75 moles of carbon tetrahydride, CH4 b. 0.0888 moles of carbon monoxide c. 75.00g of calcium nitrate d. The number of hydrogen atoms in 15.00g of ammonium hydrogen phosphate e. The number of carbon atoms in 15.00g calcium acetate f. The number of oxygen atoms in 15.00g of dinitrogen tetroxide 1 Rotorming the man of one of the following
For each of the following samples of ionic substances, calculate the number of moles and mass of the positive ions present in each sample. 4.25g of ammonium iodide, 6.31moles of ammonium sulfide, 9.71g of barium phosphide, 7.63moles of calcium phosphate,
Which contains the greatest number of hydrogen atoms? PLEASE EXPLAIN - SHOW WORK a. 0.300 moles of ammonia, NH3 b. 0.080 moles of sucrose, C12H22O11 c. 0.500 moles of ethanol, C2H5OH d. 0.250 moles of glucose, C6H12O6
6. Calculate each of the following: a. the number of atoms in 0.5 mol ofc b the number of So, molecules in 1.28 mol of SO c. the moles of Fe in a sample containing 5.22 x10 - atoms of Fe 7. Calculate the molar mass for each of the following use the periodic table for the atomic mass): H2SO4 Fe2O3 Al(SO.) Mg(OH)2 (NH4)2CO3 8. How many moles of Cl2 are there in 25 g of Ciz? 9. How many...