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Question 23 3 pts How many moles of BC13 are needed to produce 25.0 g of...
Determine the theoretical yield of H3BO3 if 25.0 g of BC13 and 10.0 g of H20 are reacted according to the following balanced reaction. (molar masses: BC13 = 117.16 g/mol; H20 = 18.02 g/mol, H3BO3 = 61.84 g/mol; HCI - 36.46 g/mol) BC13(8) + 3 H2011) - H3BO3(s) + 3 HCl(g) 13.19 g O 34,318 O 56.08 O 11.448
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
AP Chemistry Number of Moles Practice: Part A) Lithium and nitrogen react to produce lithium nitride:6Li(s)+N2(g)→2Li3N(s). How many moles of lithium nitride are produced when 0.630 mol of lithium react in this fashion? Part B) How many moles of BCl3 are needed to produce 10.0 g of HCl(aq) in the following reaction? BCl3(g) + 3 H2O(l) → 3 HCl(aq) + B(OH)3(aq) Part C) How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the...
Part A Write a balanced equation to show the reaction of sulfurous acid with rubidium hydroxide to form water and rubidium sulfite. OHSO3(aq) + RbOH(aq) - H200) + RbSO3(aq) H2S(aq) + 2 RbOH(aq) + 2 H200) + Rb 2S(aq) H2SO4(aq) + RbOH(aq) + H200) + Rb 2S04(aq) HSO4(aq) + RbOH(aq) - H2O(0) + RbSO4(aq) H2SO3(aq) + 2 RbOH(aq) -- 2 H200 + Rb 2503(aq) Submit Request Answer Part A How many moles of BC13 are needed to produce 10.0 g...
1.) How many moles of NaOH (aq) are needed to neutralize 3.2 mol H2SO4(aq)? 2.) How many moles of Ba(OH)2 (aq) are needed to neutralize 3L of 0.8 M HCl solution? 3.) What is the volume of 0.5 M H2SO4 solution needed to neutralize 0.15 L of 0.6M NaOH solution? 4.) How many grams of NaOH needed to neutralize 0.25 L of 0.6 M H2SO4 solution? Molar mass of NaOH= 40 g/mol 5.) 2.8g of Ba(OH)2(s) is added to water...
How many moles of Cu_2O are needed to produce 8 g of CuO in the following reaction? 2 Cu_2O(s) + O_2(g) rightarrow 4 CuO(s)
QUESTION 9 Consider the following reaction Ca(s)2HCI(aq) ->CaCl2(aq) H2(g) How many moles of HCI are needed to form 3 moles of CaCl2? 0 1 mole 1.5 moles 3 moles 6 moles 8 moles
6 pt Question 12 Assuming that FeCl is the limiting reagent, how many moles of BeCl2 will the following reaction produce if you start with 81 g of FeCl3? The molecular weight of FeCl3 is 162 g/mol 2 FeCl3 + _Be(OH)2 --> 3 BeCl2 + 2 Fe(OH)3 O 0.5 moles 0.33 moles 0.75 moles 30 moles Question 13 14 pts O BI @ E
21. How many moles of Carbon are in 36.0 g of Carbon? 1.5 moles 3.0 moles 36 moles 432 moles 22. How many grams of Nitrogen gas are found in 22.4 L of Nitrogen gas? 14 g 28 g 20 g 56 g 23.What is the percent sodium in sodium chloride? 60.7% 30% 70% 39.3% 24.If you do a lab that burns Magnesium in pure Oxygen what would the empirical formula of the compound be if you started with 0.6...
in reaction, how many moles of water are needed to produce 4 moles of Ca(OH)2? CaH2+ 2H2O---->Ca(OH)2+2H2