Dec 08, 2009 · In the chemical equation wA + xB ® yC + zD, if one knows the mass of A and the molar masses of A, B, C, and D, one determines the A. mass of any reactants or
Mar 23, 2009 · Favourite answer While writing a chemical symbol, the left subscript indicates the atomic number (Z) of the element and the left / right superscript indicates the atomic mass number (A) of the Chemical equation ? Yahoo AnswersDec 19, 2019 · Please helppp The answer for the question is 42.7 The question is; Determine the mass of aluminum chloride formed when 25.0 g of aluminum hydroxide reacts with 50.0 g of hydrogen chloride. I can not understand how 42.7 is the right answer i have been trying to figure it
Dec 19, 2019 · Please helppp The answer for the question is 42.7 The question is; Determine the mass of aluminum chloride formed when 25.0 g of aluminum hydroxide reacts with 50.0 g of hydrogen chloride. I can not understand how 42.7 is the right answer i have been trying to figure it Chemical peel/ lip fillers question? Yahoo AnswersMar 05, 2021 · Hi so I have a lip filler appointment on March 11. I was wondering whens the best time to book a chemical peel facial, before or after March 11??? Dermatologists help me!!!
Molar mass of butane = (4 x 12) + (10 x 1) = 58 g/mol. Moles = mass / molar mass = 2.32 / 58 = 0.04 mol. Reacting ratio of C4H10 to O2 = 2 :13 = 1 :6.5. Moles of O2 = 0.04 x 6.5 = 0.26 mol. Volume = moles x 24 = 0.26 x 24 = 6.24 cm3 Homepage Yahoo AnswersYahoo Answers is a great knowledge-sharing platform where 100M+ topics are discussed. Everyone learns or shares information via question-and-answer.
Aug 20, 2008 · What is the mass of NaCl produced when 45.980 g of Na react with 70.906g of Cl2? If you check this out you will see that both reactants are in the exact mass ratio according to the equation:2Na + Cl 2 2NaCl. Therefore the mass produced will be 116.886g which is obtained by addingthe reactant masses. However, if you are asked: To determine the limiting reactant in a - Yahoo AnswersMar 02, 2013 · 3. To determine the limiting reactant in a chemical reaction involving known masses of A and B, one could first calculate. a. the number of moles of B and the number of moles of A available. b. the bond energies of A and B. c. the masses of all products. d. the mass of 100 mol of A and B. THANK YOU SO MUCH!
Jan 01, 2014 · Which of the following is always true of a correctly balanced chemical reaction? I. The number of moles is the same on each side of the equation. II. Moles are conserved during the reaction. III. The total of the average atomic masses on each side of the equation must be the same. A.) I only B) II only C) III only D) I and II only E) I and III only chemical mass percent Fe3+ in ore? Yahoo AnswersJan 09, 2011 · chemical mass percent Fe3+ in ore? based on the balanced chemical equation 2fe3+ (aq) + Sn2+ (aq) -> 2Fe2+ (aq) + Sn4+ (aq) determine the mass percent of Fe3+ in
Jul 05, 2011 · What is the empirical formula of stannous fluoride, the first fluoride compound added to toothpaste to protect teeth against decay? Its mass percent composition is 24.25% F, 75.75% Sn. E as a chemical formula. reacting masses for AS level chemistry? Yahoo AnswersOct 03, 2011 · You would need information such as a balanced chemical equation. Here is the example I will use. The conversion of Ammonia (NH3) to Nitrous Oxide. The balanced chemical equation looks like . 4NH3 + 5O2 ---> 4NO + 6H2O. From this you can find the molar ratio, or how many moles you need of O2 to react with a number of moles of NH3.
Jul 14, 2011 · mass CaCl2 = 0.320 x 941.6g = mass ofH2O = 0.680 x 941.6 = or 941.6g - mass CaCl2 from first calculation.what is chemical mass? Yahoo AnswersJan 15, 2007 · Favourite answer Chemical mass is the weight of protons and neutrons. Electrons are not counted as their mass is so tiny in proportion. That is assuming that you are talking about Atomic Mass.