A 36.0 g sample contains 14.6 g Cl and 21.4 g B. What is the percent composition of chlorine in this sample by mass?
A 36.0 g sample contains 14.6 g Cl and 21.4 g B. What is the percent...
An herbicide contains only C , H , Cl , and N . The complete combustion of a 125.0 mg sample of the herbicide in excess oxygen produced 130.7 mL of CO2 and 76.26 mL of H2O vapor at STP. A separate analysis determined the 125.0 mg sample contained 34.46 mg Cl . Determine the percent composition of the herbicide. percent carbon: % percent hydrogen: % percent chlorine: % percent nitrogen: % Determine the empirical formula of the herbicide. empirical...
1. A 62.0 sample contains 46.171 g chlorine and the rest magnesium. What is the percent magnesium is in this sample? Enter the number and the unit. 2. A sample contains 15.18 g aluminum and 59.82 g chlorine. What is the percent aluminum is in this sample? Enter the number and the unit. 3. An 85.0 sample contains 24.718 g sulfur and the rest potassium. What is the percent potassium is in this sample? Enter the number and the unit....
uestion 23 of 34 > An herbicide contains only C, H, Cl, and N. The complete combustion of a 275.0 mg sample of the herbicide in excess oxygen produced 287.6 mL. of CO2 and 167.8 mL of H,0 vapor at STP. A separate analysis determined the 275.0 mg sample contained 75.82 mg Cl. Determine the percent composition of the herbicide. percent carbon: % percent hydrogen: % percent chlorine: % narcant nitmnen. Question 23 of 34 > percent chlorine: % percent...
a 8.18g sample of a compound contains 2.61g of potassium K, 2.37 g of chlorine, Cl, and oxygen O. calculate the empirical formula
1. How many moles of Cl are there in a sample that contains 6.20x1022 chlorine atoms? moles 2. How many chlorine atoms are there in a sample that contains 2.66 mol of Cl? atoms
A 23.20-g sample of a gaseous compound containing carbon, oxygen, and chlorine is determined to contain 2.76 g C, 4.29 g O, and 16.15 g Cl. What is this compound’s percent composition?
A 7.997.99 g sample of a compound contains 2.552.55 g of potassium, K,K, 2.312.31 g of chlorine, Cl,Cl, and oxygen, O.O. Calculate the empirical formula. Insert subscripts as needed. KCIO
3.13 g of sodium (Na) react with 7.17 g of chlorine (Cl) to produce 10.3 g of sodium chloride (NaCl). What is the mass percent of chlorine in sodium chloride? 43.7% is chlorine. O 30.3% is chlorine. 50.0% is chlorine. 69.6% is chlorine.
A 14.51 g sample of a compound contains 4.63 g of potassium, K, 4.20 g of chlorine, Cl, and oxygen, O. Calculate the empirical formula. Insert subscripts as needed. Empirical formula: KCIO
In the analysis of 0.8503 g of impure chloride containing sample, 1.250 g of AgCl were precipitated out. What is the percent of mass of chlorine in the sample. (FW of AgCl = 143.32 g/mol, FW of Cl =35.453) a.29.09% b.30.92% c.36.37% d.72.74% explain