Question 14 2 pts What is the mass of 1.47 x 1023 atoms of sulfur, S?...
Question 14 2 pts What is the mass of 1.47 x 1023 atoms of sulfur, S? 7.83 gs 19.1gs 13.5gs 22.99 g 5 12.5g5
1.93 1026 atoms Question 19 (1 point) What is the mass of 12.04 1023 atoms of O? 0 8.0g O 16g 0 32 g O 17 g Onone of these Question 20 (1 point) What is the mass in grams of 557 copper atoms? 1.46 10-23 g of Cu 5.88 10-20 g of Cu 3.54 104 g of Cu 5.28 1024 g of Cu ID 2.13 1028 g of Cu none of these Question 20 (1 point) What is the...
Question 67 2 pts Calculate the mass % composition for Sulfur in the compound Sulfur trioxide, SO IMM SO, - 80.06 g/moll. 1600%S 4004%S 59.96%5 3206% | | Next → 30 tv A 6 B w E R T Y c S F G H K C V B N. M
what is the mass (grams) of 6.022 x 1023 potassium atoms? - How many sodium atoms are there in 5.000 moles? How many sodium atoms are there in 100 narams of sodium?
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...
What is the molarity of a solution that has 5.024 X 1023 atoms of Glucose (CeH12O6)? (10 pts)
6. Find the number of moles of each of the following. a. 6.023 x 1023 atoms of Polonium b. 4.7g of sulfur c. 23.2 g of Aluminum 7. What is the mass of each of the following elements? a. 2.33 mol of Pb b. 0.266 mol of Na c. 0.99 mol of an element with a molar mass of 123 g/mol 8. How many moles of Ag are produced in the decomposition of 1.00kg of silver () oxide? 9. In...
3. Problem Solving: (10 Pts each) Answer on this sheet 1) If 2.01 x 1023 atoms of an element sodium atoms from Group IA of the periodie calculate the mass of these atoms? 7.675 grams,
What is the molar mass of glucose, CH1205? What is the mass of 4.73 x 1023 atoms of silver, Ag?
What mass (in grams) of Ca(OH)2 contains 8.15×1023 O atoms?