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4 Convert 2.14 g CuS to moles 1S. Convert 2.57x10 moles ZoO to grams 16. Convert...
4 Convert 2.14 g CuS to moles 1S. Convert 2.57x10 moles ZoO to grams 16. Convert 1.14 x 10 moles of TiCle to atoms 17. Convert 0.927 g NaF to atoms. 18. Use the following balanced reaction to answer the following questions OdN0h (aq) + 2LiOH (aq) → Cu(01h (s) + 2 LiNO, (a) How many moles of LiNO, form if you start with 7.98 x 10 mol Cu(NO)2 a LiOH is in heavy excess? a. b. How many grams...
If there are 0.20 moles in 8.9 grams of CO2, what is the number of CO2...
If there are 0.20 moles in 8.9 grams of CO2, what is the number of CO2 molecules? Use this equation to find the answer: Moles in sample (mol) x Avogadro's number (6.022 x 1023) = Number of sample molecules 0.20 x 1023 1.2 x 1023 8.9 x 1023 20 x 1023
Solve the following problems. 1. Convert 9.30 moles CH, to grams. 9. 30 2. Convert 38.0...
Solve the following problems. 1. Convert 9.30 moles CH, to grams. 9. 30 2. Convert 38.0 grams CaCl, to moles. 3. Convert 3.00 moles NH, to molecules. 4. Convert 2.08 x 10" formula units KCIO, to moles. DO 5. Convert 2.20 x 10” molecules of CH3COOH to grams. 6. Convert 25.3 grams of Ca (AsO4)2 to formula units. 7. How many atoms of As are present in 56 grams of Ca (Asoch 8) How many molecules are present in 139...
3H2(g)+N2(g)→2NH3(g) a. How many moles of NH3 can be produced from 13.5 mol of H2 and...
3H2(g)+N2(g)→2NH3(g) a. How many moles of NH3 can be produced from 13.5 mol of H2 and excess N2? b. How many grams of NH3 can be produced from 4.90 mol of N2 and excess H2. c. How many grams of H2 are needed to produce 12.74 g of NH3? d. How many molecules (not moles) of NH3 are produced from 1.05×10−4 g of H2?
.0070 DJ0.07 70 0/ cCcc (a. 9. Convert 15.0 grams of CO2 to moles. B) 0.416...
.0070 DJ0.07 70 0/ cCcc (a. 9. Convert 15.0 grams of CO2 to moles. B) 0.416 moles CO A) 0.277 moles CO2 C) 0.300 moles CO D) 0.377 moles CO; 10. What is the mass percent of glucose in a solution that is prepared by adding 20.0 g glucose to 60.0 g water? B) 60% A) 20% C) 33.3% D) 25%
confused on how to convert from atoms(molecules) to grams Can you convert atoms (molecules) to grams?...
confused on how to convert from atoms(molecules) to grams
Can you convert atoms (molecules) to grams? • How much do 2.33 X 1025 molecules of water weigh? • (2.33 X 1025 molecules) (1 mol / 6.022 X 1023 molecules) = • (38.69146463 mol)(18.0 g H,0 / 1 mol) = • 696 g H,0
m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one...
m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/I mol B) 1 mol/6.022 1023 atoms C) molar mass D) 6.022 * 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 3 2) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S 32.06 g/mol) A) 6.02 x 1023 atoms B) 2.91 x...
1) 1) To convert a given number of moles into the number of atoms, one would...
1) 1) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 2) Consider the following precipitation reaction. Which of the following correctly identifies the spectator ions in this reaction? Na2S(aq) + CuSO4(aq) → Na2SO4(aq) + CuS(s) A) Na+ and SO42- B)...
7) How many moles are in 125 grams of oxygen difluoride, OF2? (O = 16.00 g/mol,...
7) How many moles are in 125 grams of oxygen difluoride, OF2? (O = 16.00 g/mol, F = 19.00 g/mol) Group of answer choices 54.0 2.31 0.43 67.5 8) Which of the following contains the same number of moles of atoms as 6.00 grams of carbon? Group of answer choices: 12.00 g of Si 12.15 g of Mg 6.00 g of Si 8.00 g of He 9) Which sample would contain the largest number of atoms? (C = 12.01 g/mol,...
(a) How many moles of ammonium ions are in 0.405 g of ammonium carbonate? mol (b)...
(a) How many moles of ammonium ions are in 0.405 g of ammonium carbonate? mol (b) What is the mass, in grams, of 0.0601 mol of iron(III) phosphate? (c) What is the mass, in grams, of 2.06 x 1023 molecules of aspirin, CyH8O4? (d) What is the molar mass of a particular compound if 0.072 mol weighs 6.14 g? g/mol Submit Answer
4 Convert 2.14 g CuS to moles 1S. Convert 2.57x10 moles ZoO to grams 16. Convert 1.14 x 10 moles of TiCle to atoms 17. Convert 0.927 g NaF to atoms. 18. Use the following balanced reaction to answer the following questions OdN0h (aq) + 2LiOH (aq) → Cu(01h (s) + 2 LiNO, (a) How many moles of LiNO, form if you start with 7.98 x 10 mol Cu(NO)2 a LiOH is in heavy excess? a. b. How many grams...
Solve the following problems. 1. Convert 9.30 moles CH, to grams. 9. 30 2. Convert 38.0 grams CaCl, to moles. 3. Convert 3.00 moles NH, to molecules. 4. Convert 2.08 x 10" formula units KCIO, to moles. DO 5. Convert 2.20 x 10” molecules of CH3COOH to grams. 6. Convert 25.3 grams of Ca (AsO4)2 to formula units. 7. How many atoms of As are present in 56 grams of Ca (Asoch 8) How many molecules are present in 139...
.0070 DJ0.07 70 0/ cCcc (a. 9. Convert 15.0 grams of CO2 to moles. B) 0.416 moles CO A) 0.277 moles CO2 C) 0.300 moles CO D) 0.377 moles CO; 10. What is the mass percent of glucose in a solution that is prepared by adding 20.0 g glucose to 60.0 g water? B) 60% A) 20% C) 33.3% D) 25%
confused on how to convert from atoms(molecules) to grams
Can you convert atoms (molecules) to grams? • How much do 2.33 X 1025 molecules of water weigh? • (2.33 X 1025 molecules) (1 mol / 6.022 X 1023 molecules) = • (38.69146463 mol)(18.0 g H,0 / 1 mol) = • 696 g H,0
m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/I mol B) 1 mol/6.022 1023 atoms C) molar mass D) 6.022 * 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 3 2) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S 32.06 g/mol) A) 6.02 x 1023 atoms B) 2.91 x...
1) 1) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 2) Consider the following precipitation reaction. Which of the following correctly identifies the spectator ions in this reaction? Na2S(aq) + CuSO4(aq) → Na2SO4(aq) + CuS(s) A) Na+ and SO42- B)...
(a) How many moles of ammonium ions are in 0.405 g of ammonium carbonate? mol (b) What is the mass, in grams, of 0.0601 mol of iron(III) phosphate? (c) What is the mass, in grams, of 2.06 x 1023 molecules of aspirin, CyH8O4? (d) What is the molar mass of a particular compound if 0.072 mol weighs 6.14 g? g/mol Submit Answer
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