Convert 5.0 mL of pentan-2-ol to moles and calculate how many g/mol are in 2-bromopentane
Convert 5.0 mL of pentan-2-ol to moles and calculate how many g/mol are in 2-bromopentane
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
How many moles of benzaldehyde (density d = 1.04 g/ml), (molecular weight mw = 106.12 g/mol) are required to react with 1.0 ml of acetone: (density d = 0.79 g/ml), (molecular weight mw = 58.08 g/mol)? 6. What is approximate theoretical yield for problem # 5 if you obtained 2.1 grams of dibenzylidene acetone (mw = 234.29 g/mol)?
1. How many moles are contained in 2.50 grams of benzoic acid? Molar mass of benzoic acid: 122.12 g/mol 2. How many mL are in 0.5 grams of cyclohexene? Density of cyclohexene is 0.809 g/ml 3. How many moles are in 250 mL of 2 M sodium hydroxide? 4. If 5.0 mL of 2-methyl-2-butanol are allowed to react with an excess of concentrated hydrochloric acid, what is the maximum mass of 2-chloro-2-methylbutane that can be obtained? 5. An acid-catalyzed dehydration...
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 of each substance 58.0 ml(m/v)%KCl(MW 74.55 g/mol)
4 Convert 2.14 g CuS to moles 1S. Convert 2.57x10 moles ZoO to grams 16. Convert 1.14 x 10 moles of TiCle to atoms 17. Convert 0.927 g NaF to atoms. 18. Use the following balanced reaction to answer the following questions OdN0h (aq) + 2LiOH (aq) → Cu(01h (s) + 2 LiNO, (a) How many moles of LiNO, form if you start with 7.98 x 10 mol Cu(NO)2 a LiOH is in heavy excess? a. b. How many grams...
e. V.U50 mL c. 5.0 ml 31. How many moles of ammonium hydroxide are present in 100 mL of a 0.17 M solution? a. 1.7 x 10 moles d. 1.7 x 10 moles b. 5.8 x 10 moles e. 17 moles c. 1.7 moles
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
DATE 1. How many moles of Na are there in 47.3 g of Na? 2. Calculate the number of grams of sulfur in 112.4 moles of sulfur. 3. Calculate number of atoms in 4.6 g of calcium. 4. How many H atoms are in 272.5 g of methanol, CH0? 5. For the given reaction N, (g) +3H,(g)->2NH(g) a. How many moles of NH, are formed by the complete reaction of 0.154 moles of H? b. How many grams of NH,...
How many moles of argon are in 24.7 g of argon? mol