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QUESTION 6 Determine the mass of zirconium silicon , and oxygen found in 0.3384 mol of...
no explanation just need to know what goes in box QUESTION 6 Determine the mass of...
no explanation just need to know what goes in box
QUESTION 6 Determine the mass of zirconium silicon , and oxygen found in 0.3384 mol of zircon, ZrSio, a semiprecious stone. Your answer must have the correct number of significant figures. QUESTION 7 How many moles are there in 2.35 x 1024 molecules of water?
1. Choose the correct answer(s) to complete the following statement: One mole of oxygen (O2) gas...
1. Choose the correct answer(s) to complete the following statement: One mole of oxygen (O2) gas is equivalent to _____________________. I. 6.022 × 1023 molecules of oxygen II. 6.022 × 1023 atoms of oxygen III. one mole of oxygen atoms IV. two moles of oxygen atoms 2. 50.0 g of Cl2 contains ________ mol Cl2. a. 0.705 b.1.41 c. 4.24 × 1023 d. 1775 e. 50.0 3. The number of grams in 0.350 mol of Na is a. 11.0. b....
3 attempts left Check my work Be sure to answer all parts. Report problem How many...
3 attempts left Check my work Be sure to answer all parts. Report problem How many moles of water contain each of the following number of molecules? Hint points Report your answer using appropriate number of significant figures. Solution a. 8.37 x 1025 molecules Guided Solution eBook mol Print b. 3.97 x 10-2 molecules mol References c. 2.0 x 1024 molecules mol
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) S...
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) Substance Melecular weight am Molar mass (g) LiP MON ZASO, Nichek) nitrate Irell) phosphate For the following mole calculations use dimensional analysis, showing the canceling of the units, and retain in your answer the number of significant figures in the measurements that is initially given to you. 2) Convert the following mass values to moles or mole values to masses....
If the molar mass of a substance is 44.01 g/mol, what is the mass of 1.05...
If the molar mass of a substance is 44.01 g/mol, what is the mass of 1.05 x 1024 molecules of the substance? HTML Edita T. x : A 6.25 g sample of magnetite (Fe3O4) contains 4.52 g of Fe. What are the percentages of iron and oxygen in magnetite? HTML Editor Calculate the number of moles of NaHCO3(sodium bicarbonate, or baking soda) in a 5.0 g sample of this substance. A chemical reaction requires 3.50 moles of copper(II) nitrate, Cu(NO3)2....
Qustion Campleon Status: QUESTION 7 What is the mass of a 4.110-mol sample of sodium hydroxide?...
Qustion Campleon Status: QUESTION 7 What is the mass of a 4.110-mol sample of sodium hydroxide? Oa. 98.6 g Ob0.1028 g Oc 164,4 g O d.9.732 g Oe. 40.00 g QUESTION 8 A sample of ammonia has a mass of 89.9 g. How many molecules are in this sample? Oa541 x 1025 molecules Ob.5.28 molecules Oc3.18x 1024 molecules Od 1.14 x 1023 molecules x 10-15, molecules QUESTION 9 A mole of a chemical substance represents Oa.6.02 x 1025 chemical particles...
Complete the following table. atoms in sample molecules in sample moles of sample mass of sample...
Complete the following table. atoms in sample molecules in sample moles of sample mass of sample 404.70e25 X 403.19e22 400530 mol 4.14 g C6H6 402.60e24X 40 1.44e23 0.239 mol H2O 404.31 9 2.61 2.61 x 1022 molecules CO2 404.3 mol 4.0 191 g 7.28 40 7.29e23 1.21 mol HCI 4A44.1 444.08 4.08 x 1024 molecules H20 40 6.78 mol 40122 405.71e21 5.71 Check the number of significant figures. mol a0 .0095 0.304 g CH30H
Question 21 (1 point) Gas is contained in a 10.0 L vessel at a temperature of...
Question 21 (1 point) Gas is contained in a 10.0 L vessel at a temperature of 40.0° C and a pressure of 10.0 atm. (a) Determine the number of moles of gas in the vessel. (b) How many molecules of gas are in the vessel? O(a) 3.89 mol; (b) 2.34 * 1022 molecules O(a) 3.89 mol; (b) 2.34 x 1024 molecules (a) 3.89 mol; (b) 5.24 x 1024 molecules (a) 2.19 mol; (b) 2.34 x 1024 molecules
1.) Complete the following conversions using the correct number of significant figures, if applicable. 2 Moles...
1.) Complete the following conversions using the correct number of significant figures, if applicable. 2 Moles of NaOH into molecules of NaOH 29.3 grams of Mo into moles of Mo 5.6 x 1024 molecules of Ag into grams of Ag 2.) If you are combusting 2.5 grams of ethane with 2 moles of O2 in the reaction: 2C2H6 + 7O2 à 4CO2 + 6 H2O Determine the limiting reagent. For the limiting reagent, determine the mass of the leftover material....
QUESTION 4 What is the molar mass of nitroglycerin, C3H5(NO3)3? O 199 g/mol O 179 g/mol...
QUESTION 4 What is the molar mass of nitroglycerin, C3H5(NO3)3? O 199 g/mol O 179 g/mol O 227 g/mol O 185 g/mol QUESTION 5 The number of moles in 37.80 g of C2H60 (molar mass = 46.1 g/mol) is 1.575 x 100 9.072 x 102 1.743 x 103 8.200 x 10-1 QUESTION 6 Determine the percentage composition (by mass) of oxygen in H2SO4. 65.25 %
no explanation just need to know what goes in box
QUESTION 6 Determine the mass of zirconium silicon , and oxygen found in 0.3384 mol of zircon, ZrSio, a semiprecious stone. Your answer must have the correct number of significant figures. QUESTION 7 How many moles are there in 2.35 x 1024 molecules of water?
3 attempts left Check my work Be sure to answer all parts. Report problem How many moles of water contain each of the following number of molecules? Hint points Report your answer using appropriate number of significant figures. Solution a. 8.37 x 1025 molecules Guided Solution eBook mol Print b. 3.97 x 10-2 molecules mol References c. 2.0 x 1024 molecules mol
1) For the following determine the molecular weight and the molar mass. Round all mass to two decimal points. (5) Substance Melecular weight am Molar mass (g) LiP MON ZASO, Nichek) nitrate Irell) phosphate For the following mole calculations use dimensional analysis, showing the canceling of the units, and retain in your answer the number of significant figures in the measurements that is initially given to you. 2) Convert the following mass values to moles or mole values to masses....
If the molar mass of a substance is 44.01 g/mol, what is the mass of 1.05 x 1024 molecules of the substance? HTML Edita T. x : A 6.25 g sample of magnetite (Fe3O4) contains 4.52 g of Fe. What are the percentages of iron and oxygen in magnetite? HTML Editor Calculate the number of moles of NaHCO3(sodium bicarbonate, or baking soda) in a 5.0 g sample of this substance. A chemical reaction requires 3.50 moles of copper(II) nitrate, Cu(NO3)2....
Qustion Campleon Status: QUESTION 7 What is the mass of a 4.110-mol sample of sodium hydroxide? Oa. 98.6 g Ob0.1028 g Oc 164,4 g O d.9.732 g Oe. 40.00 g QUESTION 8 A sample of ammonia has a mass of 89.9 g. How many molecules are in this sample? Oa541 x 1025 molecules Ob.5.28 molecules Oc3.18x 1024 molecules Od 1.14 x 1023 molecules x 10-15, molecules QUESTION 9 A mole of a chemical substance represents Oa.6.02 x 1025 chemical particles...
Complete the following table. atoms in sample molecules in sample moles of sample mass of sample 404.70e25 X 403.19e22 400530 mol 4.14 g C6H6 402.60e24X 40 1.44e23 0.239 mol H2O 404.31 9 2.61 2.61 x 1022 molecules CO2 404.3 mol 4.0 191 g 7.28 40 7.29e23 1.21 mol HCI 4A44.1 444.08 4.08 x 1024 molecules H20 40 6.78 mol 40122 405.71e21 5.71 Check the number of significant figures. mol a0 .0095 0.304 g CH30H
Question 21 (1 point) Gas is contained in a 10.0 L vessel at a temperature of 40.0° C and a pressure of 10.0 atm. (a) Determine the number of moles of gas in the vessel. (b) How many molecules of gas are in the vessel? O(a) 3.89 mol; (b) 2.34 * 1022 molecules O(a) 3.89 mol; (b) 2.34 x 1024 molecules (a) 3.89 mol; (b) 5.24 x 1024 molecules (a) 2.19 mol; (b) 2.34 x 1024 molecules
QUESTION 4 What is the molar mass of nitroglycerin, C3H5(NO3)3? O 199 g/mol O 179 g/mol O 227 g/mol O 185 g/mol QUESTION 5 The number of moles in 37.80 g of C2H60 (molar mass = 46.1 g/mol) is 1.575 x 100 9.072 x 102 1.743 x 103 8.200 x 10-1 QUESTION 6 Determine the percentage composition (by mass) of oxygen in H2SO4. 65.25 %
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