1.To the correct number of significant figures,what is the mass of 2.5 moles deuterium gas(isotope mass=2.014 amu)?A.5.035gB.5.0g这个有效数字究竟是按2位算还是4位算?但是根据乘法有效数字的计算法则,不是应该是2位吗?2.A nearly equal volume of NaOH solution and acid are have been added....
How many mL of a 53.4 wt% NaOH solution with a density of 1.52 g/mL will you need to prepare 2.000 L of a 0.169 M NaOH solution? The density of a certain aqueous solution is 1.17g/mL, and the solution is 3.57% by mass NaOH. How ma...
If you have 100ml of water, what will the mass of the water be? What is density of water in g ml? What is the mass of a 53.0 mL volume of liquid, which has a density of 2.12 g/mL? What is the mass of 25 cm3 of pure water?
What is the mass of a sample of calcium (Ca) containing 6.02 × 10 25 atoms?A.4.0 kgB.40 gC.43 gD.6.02 × 10 25 gE.None of the above.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
2.12g NaOH(s)53.8ml of 1.0M HCl that is diluted in 99.9ml of H2OWhat's the mass of this solution?Logged Dan Retired Staff Sr. Member Posts: 4716 Mole Snacks: +469/-72 Gender: Organic ChemistRe: What the mass of my solution? « Reply #1 on: April 15, 2013, 03:17:17 AM ...
B a S View Solution When 100 ml of M/10 NaOH solution and 50 ml of M/5 HCI solution are mixed, the pH of resulting solution would be View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10,...
Molar mass is the mass of one mole of a substance. We determine the molar masses from values on the periodic table. Answer and Explanation: Before we can sum all of the molar mass of the elements in acetic acid we need the chemical formula of acetic acid. Acetic acid's chemical formula...
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In order to calculate the molar mass of any compound, we only need to know what elements are contained in the compound and what the molar mass of the elements are. Answer and Explanation: The molar mass of sucrose is 342.2965 g/mol. Let's look at the math. ...
Through a series of case studies, we establish a list of crucial research questions that provide a direction for future research in this field: What is the contribution of chloride binding to chloride transport? What is the path for chloride transport in concrete? How are our findings on ...