0.1摩尔,氯气的摩尔质量为71g/mol.
How many moles of O_2 are produced from 0.177 moles KClO_3 according to the reaction below Hint: must balance the reaction \rule{0.5cm}{0.1mm}\ KClO_3 (s) \rightarrow\ \rule{0.5cm}{0.1mm}\ KCl (s) +\ \rule{0.5cm}{0.1mm}\ O_2 (s) Consider the equation: 2H2O...
How many moles are in 31.3 grams of {eq}Cl_2 {/eq}? Grams to Moles: The mass of a substance (m) in grams can be converted into the moles of the substance (n) with the help of the molar mass of the substance (M) as a conversion factor. ...
1.72g of HCl is 1.72g / 36.5g/mol=0.047mol 3.40g of SO2 is 3.40g / 64g/mol=0.053mol 1dm^3=1L 1dm3 结果一 题目 calculate the number of moles present in 1.72g of hcl 3.40g of so22.how many moles in each of the following solutions.1dm3 of 1MHCL 答案 1.72g of HCl is 1...
How many moles are in 4.05 grams of {eq}Cl_2 {/eq}? Molar Mass: The standard state of a chemical element is how one of its samples will exist at a temperature of 25 degrees Celsius and a pressure of 1 atm. Several elements in the periodic table will exist in the standard state as...
百度试题 结果1 题目How many moles of Na+ ions are in 20 mL of 0.40 mol/LNa3PO4? ( ) A. 0.0080 B. 0.024 C. 0.050 D. 0.20 相关知识点: 试题来源: 解析 B 反馈 收藏
35 How many moles of hydrogen chloride are formed when one mole of methane is added to a large excess of chlorine in the dark? A 0 B 1 C 2 D 4 相关知识点: 试题来源: 解析 AAbsence of uv light, so no substitution occurs 反馈 收藏 ...
～How many moles are there in100 grams of sulfur? ( 100 克硫有多少摩尔 ～Per mole of sulfur atom consists of 6.02×1023 sulfur atoms and its qualty is 32 grams, so there are 100/32 moles in100 grams of sulfur. (1 摩尔的硫原子含 6.02×1023 个硫原子，质量为32克，...
Reaction: 2Q + 5R → 4S. If 10 moles of R react, how many moles of S are formed? A. 6 B. 8 C. 10 D. 12 相关知识点: 试题来源: 解析 B。5 摩尔 R 生成 4 摩尔 S,10 摩尔 R 生成的 S 的物质的量为 10÷5×4 = 8 摩尔。反馈 收藏 ...
题目16 How many moles of ions are present in 30 cm3 of 0.025 mol dm-3 barium hydroxide SO/ution,Ba(OH)_2(aq) C□ A C0.00075□ B 0.00150口 C 0.00225□D0.00450 相关知识点: 试题来源: 解析 CC is the correct answerBecause 30x0.025/1000x30=0.00225Question Number ...