Question 14 2.5 pts How many grams of glucose (CH22O) are in 3.55 moles of glucose?...
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose? A) 180. g B) 639 g C) 103 g D) 426 g E) 50.7 g А с ОЕ B D Question 23 (2.5 points) How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg in the following reaction? 2Mg (s) + O2(g) → 2MgO(s) A) 30.4 g B) 50.4 g C) 60.8 g D) 101 g E) 201...
35) How many grams of glucose (C_H,0z) are in 3.55 moles of glucose? |
How many moles of Na2HPO4 are present in 469.6 g of Na2HPO4? Question 6 How many moles of caffeine, C8H10N402, are present in 191.11 g of caffeine? Question 7 How many grams of FeCl3 can be prepared from 5.01 grams of Fe and excess Cl2 when the following reaction is balanced? _Fe (s) + _ Cl2@ FeCl3 (1) (unbalanced) Question 8 Calculate the molarity of a solution prepared by mixing 38.5 g of CH3CH2OH with enough water to give 500...
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
16. How many grams of steam and iron must react to produce 375 g of magnetic iron oxide, Fe3O4? 3 Fe(s) + 4 H2O(g) Fe3O4(s) + 4 H2(g) 18. Mercury can be isolated from its ore by the reaction 4 HgS + 4 CaO → 4 Hg + 3 CaS + CaSO4 (a) How many moles of CaS are produced from 2.5 mol CaO? (b) How many grams of Hg are produced along with 9.75 mol of CaSO4? (c) How many...
Question 5 2.5 pts How many grams of NaCl are contained in 350 mL of a 0.115 M solution of sodium chloride?! none of these 40.3 g 6.7 g 4.70 g 2.35 g
Question 37 (1 point) How many grams of water are needed to react with 25 g of potassium in the following reaction? K 39.10 g/mole ->2KOH+H2 2K 2H20
Question 1 10 pts Consider the general chemical equation: A+2B3 C How many moles of C are produced from 1 mol of A? o 2 3 10 pts D Question 2 Given the decomposition of hydrogen peroxide, calculate the moles of oxygen gas produced from 5.00 mol of H202 2 H2020) 2 H20) 028) 1 mol 2.5 mol 5 mol 10 mol 10 pts DQuestion 3 How many moles of propane gas, C3Ha. react with 1.29 mol of oxygen gas?...
How many grams of sodium are produced when 2.5 grams of sodium azide decomposes Drive - Google... P Praxis Holdings LLC... Question 5 1 pts 2 NaN3(s) ------> 2 Na(s) + 3 N2(8) How many grams of sodium are produced when 2.5 grams of sodium azide decomposes? 0.88 g 1.6 g 0.038 g 1 nts
QUESTION 7 How many moles of oxygen are produced by decomposing 85.5 g of H2O2 (molar mass = 34.0 g/mol) according to the equation: 2H202 -- ----> 2H20 + O2 O 1.056 mol O2 O 610 mol O2 2.11 mol O2 Onone of these QUESTION 8 In the reaction : 3Cl2 + 6NaOH ------> 5NaCl + NaClO3 + 3H20 How many grams of sodium chloride can be produced from 46.6 g of NaOH? 56.7 g NaCl 81.7 g Nai 68.1...