2NaXPO3(aq) + XCu(NO3)2(aq) →CuX(PO3)2(s) + 2XNaNO3(aq)
A total of 4.8639 grams of CuX(PO3)2 were collected. What is the value of X?
A 4.1286 gram sample of the compound NaXPO3 was dissolved in water then reacted with excess...
A 5.6780 gram sample of the compound Na2XO3 was dissolved in water then reacted with excess calcium chloride: Na2XO3(aq) + CaCl2(aq) →CaXO3(s) + 2NaCl(aq) A total of 5.4842 grams of CaXO3 were collected. What is the identity of the element “X?”
A 2.00 g sample of silver nitrate is dissolved in water and then reacted with 0.250 g of copper metal, according to the reaction below. Answer the questions about this process. 2 AgNO3 (aq) + Cu (s) --> Cu(NO3)2 (aq) + 2 Ag (s) What mass of the excess reactant remains after the reaction goes to completion? (I want to see if you guys get this correct because I have no idea how to approach because it doesn't tell us...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous Copper (11) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H20 (1) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous copper (II) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H2O (l) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...
In lab, you reacted copper metal with aqueous nitric acid to produce aqueous copper (II) nitrate, nitrogen dioxide gas and water. Cu (s) + 4HNO3 (aq) ---- > Cu(NO3)2 (aq) + 2NO2 (g) + 2H2O (l) a) If 0.210 gram of copper is reacted with 35.0 mL of 0.551 mol/L nitric acid, how many molecules and how grams of copper (II) nitrate are produced? b) How many moles of the reagent that is in excess are left over? c) If...
1. A 0.4187 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride ion is precipitated as AgCl by the addition of an excess of silver nitrate. The mass of the resulting AgCl is found to be 0.9536 g. What is the mass percentage of chlorine in the original compound? ________% 2. A student determines the calcium content of a solution by first precipitating it as calcium hydroxide, and then decomposing the hydroxide...
Silver nitrate is reacted with excess copper (II) chloride, producing solid silver chloride precipitate. If 25.5g of silver nitrate is reacted and there is a 77.0% yield of silver chloride, how much silver was initially present? AgNO3 (s) + CuCl2 (aq) → AgCl (s) + Cu(NO3)2 (aq)
1.000 gram of compound A burns in excess oxygen (i.e., compound A is completely reacted) and yield 3.083 g of CO2 and 1.419 g of H2O a)What is the mass of hydrogen in 1.000 g of compound A? b)What is the mass percentage of hydrogen in compound A? c)Does compound A contain any other element(s)? For part a, i tried entering two values i got, 0.4 and 0.14, both were wrong. Can someone please explain how to solve this in...
A 31.2 gram sample of C6H6 (benzene) is reacted with excess HNO3 (nitric acid). 36.0 grams of the desired product, nitrobenzene C6H5NO2, is isolated from this reaction. Water is the by-product. A. Write a balanced chemical equation for this reaction B. What is the percent yield of nitrobenzene?
Consider if 2.00g of alum were dissolved in water at a neutral pH and then reacted with a slight excess of sodium hydroxide as such: Al3+ (aq) + 3OH- (aq) ---> Al(OH)3 (s) What mass of aluminium hydroxide is formed?