Please Help!!!!! A white powder is analyzed and found to contain 43.64% phosphorus and the rest...
10. A sample weighing 106.7 grams is analyzed and found to contain 42.97 g of potassium, 28.57 g of chromium; the remainder is oxygen. What is the empirical, or simplest, formula of this substance? 1027 11·An organic compound is analyzed and found to be 38.71 % carbon and 9.68 % hydrogen; the rest is oxygen. If the molecular weight of this substance is 62 g/mol, what is the molecular formula of this substance? 12. A sample weighing 112.2 grams is...
a sample of an unknown compound was analyzed and found to contain 19.97% phosphorus and oxygen. What is the empirical formula of the compound? 4, Calculate the empirical formula for the compound formed when 10.83 g of zinc are heated with sulfur to form 16.16 g of zinc sulfide.
A compound is analyzed and found to contain 68.54% carbon, 8.63% hydrogen, and 22.83% oxygen. The molecular weight of this compound is known to be approximately 140 g/mol. What is the empirical formula? What is the molecular formula?
A very flammable compound was analyzed and found to contain 82.63% carbon and 17.38% hydrogen by mass. the molecular mass is 58.14 g/mol. find the empirical formula and molecular formula
compound is found to contain 63.65 % nitrogen and 36.35 % oxygen by mass. the empirical formula is? the molar mass is 44.02 g/mol. what is the molecular formula? A compound is found to contain 6.360 % silicon , 36.18 % bromine , and 57.46 % iodine by mass. the empirical formula is? the molar mass is 441.7. what is the molecular formula? A compound is found to contain 64.80 % carbon , 13.62 % hydrogen , and 21.58 %...
Question 4 (1 point) A compound with a molecular mass of 283.88 g/mol is found to contain 43.64 %P and 56.36% O. What is the molecular formula of this compound? OPO4 OP203 P205 OP4010 OPAOG Question 5 (1 point) If (4.544x10^1) g of oxygen react with (4.81x10^1) g of carbon monoxide to form carbon dioxide. What mass of carbon dioxide forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer
Part 1 A compound is analyzed and found to contain 65.4% C, 5.5% H, and 29.1% O by mass. In a separate experiment, the compound is found to effuse through an opening at a rate of 3.0 x 10-5 mol/min. A sample of neon gas effused through the same opening at a rate of 7.0 x 10-5 mol/min. A. What is the empirical formula of the compound? (9 pts.) B. What is the molecular formula of the compound? (6 pts.)...
3. A compound is analyzed and found to contain 65.4% C, 5.5% H, and 29.1% O by mass. In a separate experiment, the compound is found to effuse through an opening at a rate of 3.0 x 10−5 mol/min. A sample of neon gas effused through the same opening at a rate of 7.0 x 10−5 mol/min. A. What is the empirical formula of the compound? B. What is the molecular formula of the compound?
A compound is found to contain 31.42 % sulfur, 31.35 % oxygen, and 37.23% fluorine by weight. To answer the questions, enter the elements in the order presented above. 1. What is the empirical formula for this compound? 2. The molecular weight for this compound is 102.1 g/mol. What is the molecular formula for this compound?
3. A compound is analyzed and found to contain 65.4% C, 5.5% H, and 29.1%O by mass. In a separate experiment, the compound is found to effuse through an opening at a rate of 3.0 x 10-5 mol/min. A sample of neon gas effused through the same opening at a rate of 7.0 x 10-5 mol/min. A. What is the empirical formula of the compound? (9 pts.) B. What is the molecular formula of the compound? (6 pts.)