Using the balanced reaction below, answer the following question: 2 Al + 3 ZnCl, → 3 Zn + 2 AICI3 How many moles of ZnCl2 are needed to react when 3.25 moles of AICI3 form?

How many grams of N2 are needed to completely (stoichiometrically) react with 222 g of Br2 ? N2 + 3 Br2 2 NB13 + 44.0 kJ The molar mass of Br2 is g and the molar mass of N2 is mol Br2 (2.22 x 102 g Br2)(- mol Br2 g Br2 mol N2 mol Br2 (-- -) = mol N2 mol Br2 g N2 mol N2 (-- -) = |v g N2 mol N2 а. 1 b. 2 С. 3 d. 4 е. 5 f. 253.719 g. 3.38 х 100 h. 3.26 x 103 i. 44.0 j. 1.33 x 102 k. 9.77 x 103 I. 4.44 x 102 m. 6.66 x 10² n. 500.0 o. 556 р. 90.0 q. 3.2852 r. 159.81 s. 28.013 t. 1.750 u. 0.8750 v. 13.0 w. 0.46306 х. 1.3892 у. 24.5 z. 38.5 аа. 2.190 bb. evolved Cc. absorbed dd. exothermic ee. endothermic

Which substance is the limiting reactant when 4.00mol of cobalt, Co, are reacted with 8.0mol of lead(II)chloride PbCl2 in the following equation? Co+PbCl2→CoCl2+Pb   Choices are Co PbCl2 CoCl2 Pb None

Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below. 2NaCIO3 --> 2NaCl +302 How many grams of NaClO3 were needed to produce 6 grams of O₂? Round your answer to the nearest whole number. Round your answer to the whole number. If you answer is a whole number like 4, report the answer as 4.0 Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.: Molar Element Mass Sodium 23 Chlorine 35.5 Copper 63.5 Oxygen 16

If 100.0 molecules of H2 and 38.0 molecules of O2 react, how many molecules of H2O can be produced in the reaction below? 2 H2(g) + O2(g) → 2 H2O(g) molecules 1 2 4 6. C 7 9. +/- х 100 +

Determine the percent yield when 0.2054 g of LiF is obtained when 0.5275 g of Li2SO3 reacts according to the equation below. 2 BF3 (s) + 3 Li2SO3 (s) → 6 LiF (s) + B2(SO3)3 (s)

O 000 How many grams of HCl can react with 0.750 g of Al(OH)3 according the following balanced equation? Molar masses: Al(OH)3= 78.01 g, AICI3= 133.33 g, HCI= 36.46 g Al(OH)3(s) + 3 HCI (aq) --> AICI3(aq) + 3 H2O 3.85 g 1.05 g 0.0288 g 1.32 g

Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below. 2NaCIO3 --> 2NaCl +30₂ How many grams of NaClO3 were needed to produce 1 grams of O₂? Round your answer to the nearest whole number. Round your answer to the whole number. If you answer is a whole number like 4, report the answer as 4.0 Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.: Molar Element Mass Sodium 23 Chlorine 35.5 Copper 63.5 Oxygen 16

S    +   6 HNO3 →  H2SO4   +  6 NO2   +   2 H2O In the above equation, how many grams of water can be made when 16 moles of HNO3 are consumed?

A student obtained 11.4 g of PbSO4 from the following reaction. The student added 15 g of Lead (II) nitrate to 15 g of Sodium sulfate. Pb(NO3)2 + Na2SO4 --> PbSO4 + 2NaNO3 What is the percent yield of the PbSO4 the student obtained from the reaction?  % Make sure that you show your work for all questions, including units and labels being cancelled within the stoichiometry work itself and units and labels on your final answer. write it out as