Abel reacts copper with silver nitrate and recovers 5.2 g Ag. However, after mass to mass stoichiometry, he discovers that the maximum yield of silver should have been 9.5 g. What is his percent yield? Select one: O a. 0.55% O b. 1.8% О с. 18% O d. 55%

A mixture of 132.1 g of P and 136.5 g of O, reacts completely to form P¸O, and P,0,o: Find the masses of P,0, and P,O10 that are formed by the reaction. mass of P406: g mass of P¿010: g 4

A student wants to make 6.89 g of alum (KAl(SO4)2·12 H2O) in lab.  The expected yield of the alum product from solid aluminum (Al) is 65.1%.  How much solid aluminum, in units of g, should she start with in her synthesis?

4.33 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. This produced 6.38 g CO2 and 2.88 g H2O. A second sample of this compound with a mass of 5.05 g produced 2.70 g SO3. The third sample of this compound with a mass of 6.95 g produced 2.94 g of HNO3. What is the empirical formula of the compound?

A 7.591-g gaseous mixture contains methane (CH₄) and butane (C₄H₁₀). Complete combustion to form carbon dioxide and water requires 0.8790 mole of oxygen gas. Calculate the mass percent of methane in the original mixture.

What mass of compound is present in 5.80 moles of each of the following compounds? H ON a. Mass = H. b. Mass %3D g c. (NH4)2C12O7 Mass %3D

An impure sample of table salt (NaCl) that was dissolved in water and treated with silver nitrate to form silver chloride. If the initial sample had a mass of 1.741 g and the final mass of the AgCl was found to be 4.084 g, what is the mass percent of NaCl in the impure sample?

The violent reaction between zinc and sulphur produced zinc sulphide. Both of the reactants can also react with oxygen to produce their oxide during the reaction. (i). Calculate the percentage yield of the zinc sulfide produced. (ii). Determine the mass of oxides produced in the reaction.

A rock is 6.5% by mass fayalite (Fe2SiO4), 14.2% by mass forsterite (Mg2SiO4), and the remainder silicon dioxide. What is the mass percent of each element in the rock?

A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and 0.440 g of hydrogen. A) What is the simplest formula of the compound (Write C first and then H)? You won't be able to make the numbers a subscript. For instance, for MgCl2 enter MgCl2. B) The molar mass of the compound was found to be 42.08 g/mol. What is the molecular formula of the compound? You won't be able to make the numbers a subscript. For instance, for MgCl2 enter MgCl2.