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confused on how to convert from atoms(molecules) to grams
Can you convert atoms (molecules) to grams?...
What is the mass, in grams, of 1.30 molmol of water, H2OH2O? Learning Goal: Be able...
What is the mass, in grams, of 1.30 molmol of water, H2OH2O?
Learning Goal: Be able to convert to mass from a given number of moles. Completing problems such as this is critical for ensuring your success in chemistry. If you would like to get a head start (and we strongly suggest you do if you want to do well in the course) we have provided you with help to learn this concept in the hints. Hints for this problem...
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...
How many grams of Al are in 1.38 * 1023 molecules of Al2O3 if the atomic...
How many grams of Al are in 1.38 * 1023 molecules of Al2O3 if the atomic mass of Al is 27.0 g/mole, O is 16.0 g/mole, and Al2O3 is 102.0 g/mole (the final answer should have the correct number of significant figures)? Here is my work: (1.38*10^23 molecules) (1mol / 6.022*10^23 molecules) (27.0 gram/ mol)= 6.1873 I counted 3 Sig Fig so I rounded my answer to 6.19.... Another thought was (1.38*10^23 molecules) (54grams /1 mol) (1mol/6.022*10^23) but that answer...
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)...
2. If water has 10 electrons per atom (1 from each hydrogen, 8 from the oxygen),...
2. If water has 10 electrons per atom (1 from each hydrogen, 8 from the oxygen), there are 18 g of water per mole and Avogadro's number (6.022 x 1023) of atoms per mole, how many grams of water do you need to have one Coulomb of charge from electrons?
how many grams of HNO3 are in 4.055 x10^22 molecules of HNO3? This is how they...
how many grams of HNO3 are in 4.055 x10^22 molecules of HNO3? This is how they have the equation set up. 4.055 x 10^22 molecules HNO3 x 1 mol HNO3 / 6.022 x 10^23 molecules HNO3 x 63.018 g HNO3/ 1 mol HNO3= I cant get the correct answer using their equation.
31). 31) To convert a given number of moles into the number of atoms, one would...
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/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 32) 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 1023...
1. How many aluminium atoms are in an aluminium can with mass 162g? (RMM AI 26.98g,...
1. How many aluminium atoms are in an aluminium can with mass 162g? (RMM AI 26.98g, 1 mole = 6.022 x 1023 atoms) 5. How much 0.125 M NaOH solution do we need to completely neutralize 0.225 L of 0.175 M HCl solution (15 marks)
ENERAL CHEMISTRY 1/ will exe? Destion 4 ot yet nswered How many hydrogen atoms are there...
ENERAL CHEMISTRY 1/ will exe? Destion 4 ot yet nswered How many hydrogen atoms are there in 0.402 g of water? Molar mass: H20 = 18.02 g/mol; Avogadro No. = 6.022 x 1023 arked out of 67 Flag uestion Select one: a. 1.20 x 1022 b. 4.02 x 1022 C 2.71 x 1023 d. 1.34 x 1023 e. 2.69 x 1022
Verizon 11:00 PM 19%D Question 6 of 10 Submit Determine the number of molecules of Cr2O3...
Verizon 11:00 PM 19%D Question 6 of 10 Submit Determine the number of molecules of Cr2O3 that form when 1.34 x 103 g of oxygen completely reacts according to the following equation: 4 Cr(s) + 3 02(g) → 2 Cr2O3(s) 4 meter 1.34 x 103 sor 3 STARTING AMOUNT 4 mol Cr 2 mol Cros - 1.68 x 103 molecules Cryo, 1.34 x 10° 0 x *3 g 02 * 1 mol Cr ADD FACTOR DELETE ANSWER RESET 1.34 x...
What is the mass, in grams, of 1.30 molmol of water, H2OH2O?
Learning Goal: Be able to convert to mass from a given number of moles. Completing problems such as this is critical for ensuring your success in chemistry. If you would like to get a head start (and we strongly suggest you do if you want to do well in the course) we have provided you with help to learn this concept in the hints. Hints for this problem...
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)...
2. If water has 10 electrons per atom (1 from each hydrogen, 8 from the oxygen), there are 18 g of water per mole and Avogadro's number (6.022 x 1023) of atoms per mole, how many grams of water do you need to have one Coulomb of charge from electrons?
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/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 32) 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 1023...
1. How many aluminium atoms are in an aluminium can with mass 162g? (RMM AI 26.98g, 1 mole = 6.022 x 1023 atoms) 5. How much 0.125 M NaOH solution do we need to completely neutralize 0.225 L of 0.175 M HCl solution (15 marks)
ENERAL CHEMISTRY 1/ will exe? Destion 4 ot yet nswered How many hydrogen atoms are there in 0.402 g of water? Molar mass: H20 = 18.02 g/mol; Avogadro No. = 6.022 x 1023 arked out of 67 Flag uestion Select one: a. 1.20 x 1022 b. 4.02 x 1022 C 2.71 x 1023 d. 1.34 x 1023 e. 2.69 x 1022
Verizon 11:00 PM 19%D Question 6 of 10 Submit Determine the number of molecules of Cr2O3 that form when 1.34 x 103 g of oxygen completely reacts according to the following equation: 4 Cr(s) + 3 02(g) → 2 Cr2O3(s) 4 meter 1.34 x 103 sor 3 STARTING AMOUNT 4 mol Cr 2 mol Cros - 1.68 x 103 molecules Cryo, 1.34 x 10° 0 x *3 g 02 * 1 mol Cr ADD FACTOR DELETE ANSWER RESET 1.34 x...
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