Determine the mass, in grams, of 0.400 moles of Pb (1 mol of Pb has a...
Question 3 of 5 Submit Determine the mass, in grams, of 0.495 moles of Pb (1 mol of Pb has a mass of 207.2 g). 128.464 g | 1 2 3 X 7 +/- x 100 Tap here or pull up for additional resources
How many grams of phosphorus, P, would contain the same number of atoms as 207.2 g of lead, Pb? mass: mass: g
how many atoms are in 1.2 mol of carbon Question 4 of 22 How many atoms are in 1.2 mol of carbon? atoms Question 6 of 22 Determine the molar mass of CH3OH. g/mol 1 2 3 Tue Oct 29 Question 8 of 22 How many atoms of vanadium are in 1.28 grams of vanadium ADD FACTOR RESET ANSWER Question 11 of 22 What is the mass percentage of Clin hydrochlorothiazide, C3H2CIN30.SZ? 1 % 1 2 3
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,...
How many moles of Pb are in 4.71 x 104 Pb atoms? Select one: O a. 2.84 x 1045 o b. 6.022 x 1023 O c. 207.2 O d. 0.00782
2) A gold necklace contains 0.54 mol of gold. What is its mass in grams? 3) A helium balloon contains 0.56g of He. How many moles of He does it contain? 4) How many Na atoms in 255 g of Na3PO4? 5) Calculate the mass in grams of 6.4 x 102 NO: molecules 6) Determine the number of atoms of O in 84.0 g of CsH1005
Answer: C 20) How many moles of Pb are in 4.71 x 1021 Pb atoms? ask Kau How many moles are there in 17.5 grams of sodium?
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...
A sample of carbon tetrachloride has a mass of 51.6 grams. How many moles are contained in the sample container? If a solution contains 3.7 moles of carbon tetrachloride, how many grams of carbon tetrachloride are in the sample? If a solution contains 3.7 moles carbon tetrachloride, how many grams of carbon tetrachloride are in the sample?
Gold has a molar mass of 197 g/mol. (a) How many moles of gold are in a 9.45 g sample of pure gold? (b) How many atoms are in the sample?