The theoretical yield of water for this experiment is 15 grams. "197 g" If I understand your question correctly, the answer will be "197 g". Calculate the molar mass if AlBr3 3. Molar mass Al = 26.982g/mol. 2. To calculate the molar ratios, you put the moles of one reactant over the moles of the other reactant. 1. How many moles are in 0.50 grams of CH3OH? You have to use the molar mass of AlBr3 to convert from moles to mass. How many liters are in 8.20 x 10^14 molecules CsBr? The molar mass is 2 + 16 = 18 g/mol. Converting Grams to Moles. Answer: 2 question Based on the equation, how many grams of br2 are required to react completely with 36.2 grams of alcl3? What is the colume of a mole of a gas at STP. How many moles are in 5.6 L of KNO3? For a single element, the molar mass is equivalent to its atomic weight multiplied by the molar mass constant (1 g/mol). Step 2: Calculate the molar ratios. So you do this. 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. The molar mass value can be used as a conversion factor to facilitate mass-to-mole and mole-to-mass conversions. The molar mass and molecular weight of AlBr3 is 266.693539. balancing the equation. How many moles are in 3.63 x 1023 atoms of Mn? 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 22.4 L. The molar mass is 266.7 g/mol. the molar mass of the substance. From your balanced equation: 2mol Al reacts with 3mol Br2 to produce 2mol AlBr3. Third of all, use dimensional analysis to show your work. 27.0 + 79.9(3) = 266.7 . 6. 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 first step in any stoichiometric problem is. Al = 27.0 amu. Community Q&A Search. alcl3 + br2 → albr3 + cl2 65.2 grams 69.8 grams 72.1 grams 76.5 grams - the answers to estudyassistant.com 5. Question. Advertisement. grams to moles to moles to grams. Find the mass of 31.6 moles MnCI2 4. Br = 79.9 amu. The compound ‘s molar mass is necessary when converting from grams to moles. They are 3 bromine atoms and 1 aluminum atom. In mass-mass problems, the steps to follow are best summarized as going from. Multiplying by the product, this results in 0.834 moles H 2 O x 18 g/mol H 2 O = ~15 grams. This gives a ratio in which no number is less than 1. Add New Question. OR 1mol Al produces 1 mol AlBr3. Second of all, find the molar mass of AlBr3. 5g = 5/26.982 = 0.1853mol Al 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. 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. Answers: 2 on a question: Please answer ASAP I’ll give the brainliest!