If a 24.51 g sample of an unknown compound decomposes to produce 14.91 g KCl and...
If a 24.51 g sample of an unknown compound decomposes to produce 14.91 g KCl and 9.60 g O2, what is its empirical formula? [5 marks]
Unanswered Save Q33 If an 8.5 g sample of an unknown compound decomposes to produce 7.29 g N205 and 1.21 g H20, what is its empirical formula? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a HNO b HNO2 с HN204 d HNO3 e none of the above Unanswered 2 Save Q34 Acanner atom has a diameter of 128.nm How many centimeters is alline containing exactlin mole of cannaratams MacBook e...
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 3.80-g sample of an unknown compound containing only C, H, and O combusts in an oxygen rich environment. When the products have cooled to 20.0 degree C at 1 bar, there are 4.96 L of CO_2 and 2.45 mL of H_2O. The density of water at 20.0 degree C is 0.998 g/mL. What is the empirical formula of the unknown compound? If the molar mass is 168.2 g/mol, what is the molecular formula of the compound?
Combustion analysis of a 7.7773 g sample of an unknown organic compound produces 21.103 g of CO2 and 4.3193 g of H2O. The molar mass of the compound is 324.38 g/mol. A) Calculate the number of grams of C, H, and O in the original sample. B) What is the empirical formula of the compound?
An unknown compound contains only C, H, and o. Combustion of 3.90 g of this compound produced 8.87 g CO, and 3.63 g H.O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical formula: CHO
An unknown compound contains only C, H, and 0. Combustion of 6.60 g of this compound produced 13.2 g Co, and 5.40 g H.O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical formula: CHO
An unknown compound contains only C, H, and O. Combustion of 7.70 g of this compound produced 18.8 g CO, and 7.69 g H,0. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical formula:
An unknown compound contains only C, H, and O. Combustion of 3.20 g of this compound produced 6.39 g CO, and 2.62 g H,0. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical formula: CHO
An unknown compound contains only C, H, and O. Combustion of 7.30 g of this compound produced 14.6 g CO, and 5.97 g H,O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical formula: CHO