What is the empirical formula of a compound that consists of 10.838 grams of Na, 7.557 grams of S, and 15.107 grams of O? A 13.13 g sample of a compound contains 4.19 g potassium (K), 3.80 g chlorine (Cl), and oxygen (O). What is the empirical f...
题目 What is the empirical formula of a compound that is 64.8% C, 13.6% H, and 21.6% O by mass? A.C 4 HO 1B.C 5 HO 2C.C 8 H 20 O 2D.C 5 H 14 O 1E.C 4 H 10 O 1 相关知识点: 试题来源: 解析 E 反馈 收藏 ...
Empirical Formula:The empirical formula of a compound is its simplest formula. From the molar ratio of atoms, the empirical formula of a compound can be calculated. In this formula all atoms are present.Answer and Explanation: First, find the mol of each atom present. Mole...
What is the empirical formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? What is the empirical formula of the compound composed of 42.580 % carbon, 7.147 % hydrogen and 50.273 % chlorine? What is the empirical formula of a compo...
A quantity of 3.93 g of a compound having the empirical formula C5H4, is dissolved in 151 g of benzene. The freezing point of the solution is 1.04℃ below that of pure benzene. What are the molar mass and molecular formula of this compound? 相关知识点: 试题来源: 解析 128g·mol-1;...
What is the empirical formula of a compound that contains 49.4 % K, 20.3 % S, and 30.3 % O by mass? A.KSO2 B.KSO3 C.K2SO4 D.K2SO3 E.KSO4 点击查看答案 你可能感兴趣的试题 突出煤层采煤工作面进风巷、掘进工作面进风的分风口必须设置();当发生风流逆转时,发出声光报警信号。 点击查看...
<p>To find the molecular formula from the empirical formula and the molecular mass, follow these steps:</p><p><strong>Step 1: Determine the Empirical Formula Mass</strong> The empirical formula given is CH₂O. We need to calculate its mass by adding th
THE EMPIRICAL FORMULA OF A COMPOUND INTRODUCTION-In a compound, the atoms of different elements are present in numbers whose ratio is usually expressed as an integer or a simple fraction. The simplest formula of the compound expresses that ratio and also, if the compound is non-molecular, serve...
The empirical formula of a compound is CH(2)O .Its molecular mass is 90. What is the correct molecular formula of that compound?
该化合物的分子式表示一个分子中的每个元素的原子的实际人数。为了找到一种化合物的分子式,有必要了解其经验公式和它的分子或molarmass,这通常是一些群众从经验公式计算多个 翻译结果2复制译文编辑译文朗读译文返回顶部 该化合物的分子式表示一个分子中的每个元素的原子的实际人数。为了找到一种化合物的分子式,有必要...