STOICHIOMETRY Finding molar mass from chemical formulae The chemical formula for diethyl sulfoxide is: (CH2CH2), so...
O STOICHIOMETRY -Finding mass percent from chemical form ulae This is the chemical formula for hexanal: CH,(CH,) CHO. Calculate the mass percent of hydrogen in hexanal. Round your answer to the nearest percentage. 0%
O STOICHIOMETRY Finding chemical formulae from a mole ratio An unknown compound has the following chemical formula: PbO where x stands for a whole number. Measurements also show that a certain sample of the unknown compound contains 4.0 mol of oxygen and 3.9 mol of lead. Write the complete chemical formula for the unknown compound. X 5 ?
The chemical formula for zinc nitrate is: Zn(NO3)2 Calculate the molar mass of zinc nitrate. Round your answer to 1 decimal place. x10 g - mol
Finding chemical formulae from a mole ratio An unknown compound has the following chemical formula C,H Measurements also show that a certain sample of the unknown compound contains 6.2 mol of hydrogen Write the complete chemical formula for the unknown compound. and 2.08 mol of carbon Da Exp nation Think IP Asset Tag KIP port # 201-817-1090
The chemical formula for sulfuric acid is: H2SO4 Calculate the molar mass of sulfuric acid. Round your answer to 2 decimal places. I g.mol x 5 ?
Chemical Conversion (Stoichiometry): Aluminum Scrap to Alum Data mass of aluminum - 0.54g mass of water + filter paper - 42.84g mass of alum product + watch class + filter paper - 43.70g Calculate the mass of your alum produce - this is the actual yield of you synthesis??? Calculate the molar mass of alum [KAl(SO4)2 * 12H2O] - round the result to the nearest 0.1 gram/mol??? Calculate the theoretical yield in grams for this reaction. Assume the aluminum is...
please complete the stoichiometery table This experiment includes a chemical reaction, so a stoichiometry table is necessary. H3PO4 C10H16 (mixture of isomers) + H20 OH C20H180 Name Alpha-terpineol diene isomers (C16H16) molar mass (g/mol) Phosphoric acid (85% aqueous solution by mass) cacluate from the formula Density = 1.68 g/mL (25 °C) 0.2 mL = ? g cacluate from the formula / structure cacluate from the formula / structure or density = 0.93 g/mL (25 °C) 1.2 mL = ?g other...
The chemical formula for t-butanol is: (CH), COH Calculate the molar mass of t-butanol. Round your answer to 2 decimal places. gomol x 5 ?
Sucrose is also known as table sugar. The chemical formula of sucrose is C12H22O11. Calculate the molar mass of sucrose. Sucrose is also known as table sugar. The chemical formula of sucrose is C,H,Ou Calculate the molar mass of sucrose. Select the correct answer below: O 522.7 g/mol O 186.9 g/mol 29.02 g/mol O 342.3 g/mol FEEDBACK Content attribution
Molecular formula Molecular formula From the formula mass of the empirical formula on the previous page, and the molar mass of the hydrocarbon above, calculate the molecular formula of your hydrocarbon. What is the molecular formula of your hydrocarbon? Show calculation. PBL Report Members Empirical formula 42 477 From the data in page 1 calculate g of co, and g H,O Show calculations and include units ns0a634g 79 Mass of H2O 69.577-68.912 Convert the g of CO2 and g H20,...