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How many moles are present in 6.5 g of H2O? Show work. You have 10.5 moles of C_5H_{12}, how many moles of C do you have? How many moles of CO2 are present in 220 mg? How many moles of NaI are produced with 3.27 moles BiI_3?
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 ...
No. of moles= given massmolar mass No. of moles in 1g of H=1g1g/mole=1mole.Thus 1 mole of His present in 1 g of H. Was this answer helpful? 3Similar Questions Q1 How many moles of hydrogen are present in 1 gm of hydrogen? View Solution Q2 How many moles of hydrogen atoms ...
How many moles are in 22.0 grams of aluminum?Question:How many moles are in 22.0 grams of aluminum?Molar Mass:A sample of a solid metal element is physically represented as an exponentially large quantity of the element's atoms arranged in a well-ordered crystal structure. One mole of the ...
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
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 of calcium(Ca)atoms are in 77.4g of Ca ( 40.078 ) ? A. 40.078 B. 0.518 C. 1.931 D. uncertainty 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: C 复制 纠错举一反三 ()违反《药品管理法》规定,给用药者造成损害的,依法...
How many moles of ions are present in 250mL of a 4.4M solution of sodium sulphate? A1.1 B2.2 C3.3 D13Submit Question 3 - Select One How many moles of Na+ ions are in 20mL of 0.4MNa3PO4? A0.008 B0.024 C0.05 D0.2Submit
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 ...