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
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 ...
athe eldest daughter,to translate 最老的女儿,翻译[translate] aFor Experiments I and II, plates were incubated at least 48 为实验I和II,板材被孵化了至少48[translate] aHow many moles of HCIO4 are in 100 g of solution HCIO4多少个痣在100 g中解答[translate]...
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.3mol B.4mol C.2.4mol D.4.5mol 点击查看答案&解析进入小程序搜题 你可能喜欢 视力分为: 、 、 、三种。 点击查看答案进入小程序搜题...
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的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练
How many moles of calcium(Ca)atoms are in 77.4g of Ca ( 40.078 ) ?A.40.078B.0.518C.1.931D.uncertainty的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是
How many grams of oxygen gas are required to completely react in the combustion of 0.88 moles of ethane? For the given combustion reaction of octane: 2C_8H_{18}+25O_2 to 16CO_2+18H_2O How many molecules of H_2O would be produced by reacting...
Chemists may wish to know exactly how much of a reagent is needed to completely consume another reagent, during a reaction. They need to know the balanced chemical equations for the reaction first. Then, they may interpret the coefficients of the species as moles, and the r...
How many moles of {eq}O_2 {/eq} are needed to react completely with 4.80 mol of {eq}C_2H_2 {/eq}?Number of Moles:The mole is usually used as a unit of the amount of a chemical compound or solution. It is usually known as an SI unit. Here, the SI denotes the ...
How much air at the temperature of boiling water can the container hold? And how much was actually inside? So how much must escape? Sep 10, 2008 #3 curiousM 3 0 Thanks fot the help.FAQ: How many moles of air escaped in container?-Need Help ...