How many moles of CO2 are produced if 6 moles of O2 are used? How many moles of N_2 can be produced from 2.5 moles of O_2? Theoretically, how many moles of Bi_2S_3 can be formed from 20.1 g of H_2S and 126 g of Bi(NO_3)_3? 3 H_2S(...
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 ...
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 ...
In the reaction A + 2B → C, if we have 3 moles of A, how many moles of B are needed? A. 2 B. 4 C. 6 D. 8 相关知识点: 试题来源: 解析 C。解析:因为反应中 A 和 B 的比例是 1:2,所以 3 摩尔的 A 需要 6 摩尔的 B。
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供How many moles of calcium(Ca)atoms are in 77.4g of Ca ( 40.078 ) ?A.40.078B.0.518C.1.931D.uncertainty的答案解析,刷刷题为用户提供专业的考试题库练习。一分钟将考试题Word文档/Excel文档/P
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 ...
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
How many moles of H2O can be produced when 2.0 moles of N2H4 react with excess N2O4? 2N2H4(g) + N2O4(g) arrow 3N2(g) + 4H2O(g) How many moles of H2O are produced from 4 moles of H2 in the following reaction? 2H2 + O2 ...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供How many moles of NO(g) can be produced in the reaction of 3.00 molNH3(g) and 4.00 molO2(g)? 4 NH3(g) + 5O2(g) → 4 NO(g) + 6 H2O(l)A.3molB.4molC.2.4molD.4.5mol的答案解析,刷刷题为用
How many moles of Fe2+ ions are formed when excess iron is treated with 500 mL of 0.4NHCI under inert atmosphere? Assume no change in volume A 0.4 B 0.1 C 0.2 D 0.8 Video SolutionText SolutionVerified by Experts The correct Answer is:BFe...