The theoretical yield of water for this experiment is 15 grams. So you do this. 27.0 + 79.9(3) = 266.7 . 2. 5. Answer: 2 question Based on the equation, how many grams of br2 are required to react completely with 36.2 grams of alcl3? How many liters are in 8.20 x 10^14 molecules CsBr? The molar mass is 2 + 16 = 18 g/mol. From your balanced equation: 2mol Al reacts with 3mol Br2 to produce 2mol AlBr3. Calculate the molar mass if AlBr3 3. Community Q&A Search. Molar mass Al = 26.982g/mol. balancing the equation. Advertisement. OR 1mol Al produces 1 mol AlBr3. You have to use the molar mass of AlBr3 to convert from moles to mass. Molar mass of NaBr is 102.89376928 g/mol Molar mass of S is 32.065 g/mol Molar mass of ZnCl2 is 136.286 g/mol Molar mass of NaOH is 39.99710928 g/mol Molar mass of Li3PO4 is 115.794362 g/mol Molar mass of Al is 26.9815386 g/mol Molar mass of HF is 20.0063432 g/mol Molar mass of PbSO4 is 303.2626 g/mol Molar mass of (NH4)2S is 68.14192 g/mol Molar mass of AsH5 is 79.9613 g/mol The molar mass and molecular weight of AlBr3 is 266.693539. the molar mass of the substance. 1. The first step in any stoichiometric problem is. What is the colume of a mole of a gas at STP. For a single element, the molar mass is equivalent to its atomic weight multiplied by the molar mass constant (1 g/mol). The molar mass is 266.7 g/mol. Step 2: Calculate the molar ratios. 5g = 5/26.982 = 0.1853mol Al How many moles are in 5.6 L of KNO3? This gives you a molar ratio of #"Al"# to #"I"_2# of #0.04448/0.009456# Usually, you divide each number in the fraction by the smaller number of moles. Find the mass of 31.6 moles MnCI2 4. The oral and ip doses which were lethal in 50% of animals (LD50) were determined for aluminum nitrate (Al(NO3)3), aluminum chloride (AlCl3), aluminum sulfate (Al2(SO4)3), and alcl3 + br2 → albr3 + cl2 65.2 grams 69.8 grams 72.1 grams 76.5 grams - the answers to estudyassistant.com NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. This gives a ratio in which no number is less than 1. How many moles are in 3.63 x 1023 atoms of Mn? Converting Grams to Moles. How many moles are in 0.50 grams of CH3OH? The compound ‘s molar mass is necessary when converting from grams to moles. Answers: 2 on a question: Please answer ASAP I’ll give the brainliest! Multiplying by the product, this results in 0.834 moles H 2 O x 18 g/mol H 2 O = ~15 grams. Add New Question. The trick here is to realize that the combined mass of the reactants must be equal to the combined mass of the products -> think the Law of conservation of mass here. Second of all, find the molar mass of AlBr3. "197 g" If I understand your question correctly, the answer will be "197 g". In mass-mass problems, the steps to follow are best summarized as going from. Third of all, use dimensional analysis to show your work. 6. 22.4 L. Br = 79.9 amu. Al = 27.0 amu. Question. The molar mass value can be used as a conversion factor to facilitate mass-to-mole and mole-to-mass conversions. To calculate the molar ratios, you put the moles of one reactant over the moles of the other reactant. grams to moles to moles to grams. They are 3 bromine atoms and 1 aluminum atom.