a.1b.3c.4d.6 相关知识点: 试题来源: 解析 b 3因为Al是3+这是sat2化学题反馈 收藏
One mole of substance represents one gram-formula of the substance. One mole of a gas at standard temperature and pressure occupies 22.4 litres. What is the mass in grams of 2.42 mol of zinc? (Atomic mass of Zn = 65.41) A200 g B25 g C85 g D158 gSubmit Question 3 - Select One ...
4. The gram-formula mass of NO2 is defined as the mass of A) two molecules of NO B) two moles of NO C) one mole of NO2 D) one molecule of NO2 5. What is the mass in grains of 2.0 moles of NO2 ? A) 30. B) 92 C) 46 ...
The gram molecular mass of chlorine is 35.453 g/mol.Since this is a decimal value, there must be multiple isotopes of chlorine. Rounding this average... Learn more about this topic: Molar Mass | Definition, Formula & Examples from
the gram-equivalent mass of alcl3 is its gram-formula mass divided bya.1b.3c.4d.6 相关知识点: 试题来源: 解析 b 3 因为Al是3+ 这是sat2化学题 分析总结。 6扫码下载作业帮拍照答疑一拍即得答案解析查看更多优质解析举报b3因为al是3反馈 收藏 ...
of the pieces of the compound… compound… 1/2/2015 Free Template from Brainybetty 4 Gram Formula Mass Gram Formula Mass •• NaCl NaCl 22.99 + 35.45 22.99 + 35.45 = 58.44 g/mol = 58.44 g/mol •• Fe Fe 22 OO 33 2(55.85) + 3(16.00) 2(55.85) + 3(16.00) = 159.70 g/...
Density, mass per unit volume of a substance. The formula for density is d=M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of gram per cubic centimeter. For example, the density of water is 1 gram per cubic cen
the gram-equivalent mass of alcl3 is its gram-formula mass divided bya.1b.3c.4d.6 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 b 3因为Al是3+这是sat2化学题 解析看不懂?免费查看同类题视频解析查看解答 更多答案(1)...
What is the molarity of a solution containing 8 grams of solute in 500 mL of solution? Round to the nearest hundredth. (gram formula mass of solute = 24 g)Molarity:The concentration of a solution can be expressed in many...
A sample of calcium chloride, CaCl2, has a mass of 27.8 grams. a) How many moles of calcium chloride are in this mass? b) How many chloride ions are present? How many chloride ions are present in 0.53 grams of CaCl2? How many chloride ions are present in 21.0 grams of ...