WebA compound has a molar mass of 100 g/mol and the percent composition (by mass) of 65.45% C, 5.45% H, and 29.09% O. Determine the empirical formula and the molecular formula. C3H3O and C6H6O2. The empirical formula of a group of compounds is CHCl. Lindane, a powerful insecticide, is a member of this group. WebApr 9, 2024 · Science Chemistry When 2.65 g of an unknown weak acid (HA) with a molar mass of 85.0 g/mol is dissolved in 250.0 g of water, the freezing point of the resulting solution is -0.259 °C. Part A Calculate K, for the unknown weak acid. The freezing point depression constant (Kr) for water is 1.86 °C/m. Express your answer using two …
Worked example: Calculating amounts of reactants and products
WebSep 30, 2024 · This lot/land is located at 17439 Old Stage Coach Rd, Dumfries, VA. 17439 Old Stage Coach Rd is in Dumfries, VA and in ZIP code 22026. This property has a lot … WebWhen Sal converts the mass of glucose to moles of glucose using its molar mass, he gets 0.139 mols. Glucose is related to the other chemicals by a 6:1 ratio using the balanced chemical equation. So the number of moles for oxygen, water, and carbon dioxide will be six times whatever the number of mols of glucose is (0.139 x 6 = 0.833). Hope that ... joinmed.com
What is the mass of a mole of sucrose (C12H22O11)? Socratic
WebApr 10, 2024 · By Associated Press. 10:13pm Apr 10, 2024. Tibetan spiritual leader the Dalai Lama has apologised after a video showing him kissing a child on the lips triggered criticism. A statement posted on ... Web1. รองเท้าของใหม่นะคะ พรีมายังไม่เคยใส่ ใหญ่ไป 1 เบอร์ Coach Hadley color : Berry Sixe : 6.5 (เท้าเบอร์ 37 ค่ะ) ราคาที่พรีมานะคะ ส่งต่อ 3000 ถ้วนๆ ค่ะ รูปของจริ WebA 355-mL soft drink sample contains 0.133 mol of sucrose (table sugar). What is the molar concentration of sucrose in the beverage? ... As in previous examples, the definition of … how to henna your hair