How many moles Cu of are there in 100.0 g of CuCl2.2H2O (MW = 170.48)?
Express your answer to 2 decimal places
Do not include units
How many moles Cu of are there in 100.0 g of CuCl2.2H2O (MW = 170.48)? Express...
How many moles Fe of are there in 100.0 g of Fe(NO3)3.9H2O (MW = 404.0)? Express your answer to 2 decimal places Do not include units How many grams of Fe of are there in 100.0 g of FeCl2.4H2O (MW = 198.81)? Express your answer to 2 decimal places Do not include units
How many moles of PCl, can be produced from 53.0 g of Cl(and excess P.)? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Value Units
How many moles of Cu (s) are needed to react with 3 moles of O2 (g) according to the chemical equation below? 2 Cu (s) + O2 (g) ® 2 CuO (s)
Part A How many moles of CH3O4 are in a 0.300 g tablet of aspirin? Express your answer with the appropriate units. O 2 ? O'HÅR Value ncgH904 nCott20 = Units Submit Request Answer Part B How many molecules of C, H:04 are in this tablet? O AQ R O 2 ? NCH3O4 = molecules Submit Request Answer Part C How many carbon atoms are in the tablet?
If 1.123 g strip of Cu is used for the reaction? How many moles of Cu were reacted (Remember to use correct significant figures and show your work) After the reaction, the strip now weighs 1.345 g. How much mass was gained This gain in weight is attributed to that mass of what element? Using the information from above, how many moles of sulfur were reacted? (Remember to use correct significant figures and show your work) What is the difference...
parts B and C
How many moles of PCls can be produced from 29.0 g of P4 (and excess Cl2)? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Value Units Submit ▼ Part C How many moles of PCls can be produced from 50.0 g of Cl2 (and excess P4)? Express your answer to three significant figures and include the appropriate units.
How many moles of nitrogen, N, are in 87.0 g of nitrous oxide, N2O? Express your answer with the appropriate units. ► View Available Hint(s) O MÅ o 2 ? Value moles Submit Previous Answers
Part B How many moles of CO are produced when 2.2 moles C reacts? ication Express your answer using two significant figures. к" ANSWER pr moles Part C How many moles of SO2 are required to produce 0.55 mole CS2? Express your answer using two significant figures. ANSWER moles Part D How many moles of CS2 are produced when 3.0 moles C reacts? Express your answer using two significant figures. ANSWER moles Problem 7.76 - Enhanced - with Feedback You...
Part A How many moles of C are present in 2.05 moles of naproxen? Express your answer with the appropriate units. Value Units of C Submit Request Answer ? Part B How many moles of H are present in 0.432 mole of naproxen? Express your answer with the appropriate units. IA Value Units of H Submit Request Answer
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