N2O = 44 g /mol
44 g contain 2 moles N
0.247 g contain 0.247 x 2 / 44 = 0.0112 moles N
answer = 0.0112 mol N
O b.51.98 g/mol O c. 60.05 g/mol How many moles are in 5.99 g of NaHCO,? ed 1.00 Answer: Mion How many moles are in 3.65 g of sodium chloride? wered of 1.00 Answer: uestion n 10 What is the mass of 0.98 moles of sodium chloride? answered out of 100 Answer: g question
a.) how many moles of iron is 66.8 g of Fe? __________________ mol Fe b.) How many grams of iron is 4.89 x 10-2 mol Fe? __________________ g Fe c.) How many atoms are present in 0.950 mol of uranium? _________________ x10 _________________ U atoms d.) 3.84 × 106 sulfur atoms is how many moles? __________________ x10 _______________ moles
How many moles of argon are in 24.7 g of argon? mol
How many moles are found in 5.00 g of NaCl (58.44 g/mol)?
1) How many moles of Cu are in 257.58 g of Cu2O ? A) 0.900 mol B) 7.20 mol C) 3.60 mol D) 1.80 mol 2) How many moles of H2) are needed to produce 15.0 g of HCL (aq) in the following reaction? BCl3 (g) + 3 HCl (aq) > 3 HCl (aq) + B(OH)3 (aq) A) 5.0 mol B) 0.412 mol C) 0.137 mol D) 35.0 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,...
How many total atoms are in 0.170 g of P2O5? How many moles of Fe2O3 are in 211 g of the compound? For the given elements, convert the given mole amounts to grams. How many grams are in 0.0464 moles of sodium? How many grams are in 0.250 moles of cobalt? How many grams are in 0.790 moles of selenium? Calculate the number of atoms in a 5.49 × 103 g sample of lithium. How many moles of MgS2O3 are...
How many moles
25) How many moles of CuO can be produced from 2.25 mol of Cup in the following reaction? 2 Cu2O(s) + O2(g) - 4 CuO(s) A) 2.25 mol B) 4.50 mol C) 1.12 mol D) 9.00 mol 25)
How many moles of NH3 can be produced from 21.0 mol of H, and excess N? C AR vaur anexer numerically in moles. How many grams of NH, can be produced from 3.18 mol of N, and excess H,
C4H10(g)+O2(g)→CO2(g)+H2O(g). How many moles of butane gas, C4H10, react to produce 1.00 mol of water? How many moles of oxygen gas react to produce 1.00 mol of water?