确定摩尔数(摩尔)在2.26×10^-2克三氧化二硼n=m/M=0.0226/69.62=3.735×10^-4mol 结果一 题目 Determine the number of moles (in mol) in 2.26×10-2 g of boron trioxide. 答案 确定摩尔数(摩尔)在2.26×10^-2克三氧化二硼n=m/M=0.0226/69.62=3.735×10^-4mol相关推荐 1Determine the number o...
A. moles = mass × molar mass B. mass = moles × molar mass C. molar mass = moles × mass D. moles = mass + molar mass 相关知识点: 试题来源: 解析 B。本题考查物质的量、质量和摩尔质量的关系。物质的量等于质量除以摩尔质量,即 mass = moles × molar mass。选项 A、C、D 关系错误。
The number of moles of solute in 200.0 mLof a 0.5 mol/L sodium chloride solution is . 答案 0.1 moln(NaCl)=c(NaCl)⋅V=0.5 mol/L×200 mL=0.1 mol。 结果二 题目 【题目】T he number of moles of solute in 200.0 mLof a0.5 mol/L sodium chloride solution is __ mol. 答案 【解析】...
题目 Determine the number of moles (in mol) in 2.26×10-2 g of boron trioxide. 答案 确定摩尔数(摩尔)在2.26×10^-2克三氧化二硼n=m/M=0.0226/69.62=3.735×10^-4mol相关推荐 1Determine the number of moles (in mol) in 2.26×10-2 g of boron trioxide....
Determine the number of moles (in mol) in 2.26×10-2 g of boron trioxide. 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 确定摩尔数(摩尔)在2.26×10^-2克三氧化二硼n=m/M=0.0226/69.62=3.735×10^-4mol 解析看不懂?免费查看同类题视频解析查看解答 ...
The Number of Moles on Your Right Arm Could Be Tied to Your Cancer Risk, Study Finds.HealthmolesresearchskincancerA study suggests that physicians may be able to gauge risk by focusing on a patient's right armEBSCO_AspTime.com
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 1.7...
(atm). an atmosphere is about the air pressure at sea level. convert psi into atm by multiplying by 0.06804596. calculate the number of moles of co2 by the formula n=pv/rt, where p is the pressure from step 3, v is the volume from step 2, t is the temperature from step 1 and ...
Calculate the number of moles of solute present in 50.0 mg of an aqueous solution that is 1.25 M NaCl. Mole Concept: The mole concept revolves around the term "mole", which is the unit used for expressing amount of substance. What Modi said to contain...
确定摩尔数(摩尔)在2.26×10^-2克三氧化二硼 n=m/M=0.0226/69.62=3.735×10^-4mol