What is the molar mass of water (H2O)? a. 19.0 g/mol b. 20 g/mol c. 16.0 g/mol d. 18.0 g/mol What is the molar mass of water, H 2 O ? What is the molar mass of water? What is the formula mass of Na(NO3)2?
the formula mass may be correctly referred to as a molecular mass. Consider chloroform (CHCl3), a covalent compound once used as a surgical anesthetic and now primarily used in the production of the “anti-stick” polymer, Teflon. The molecular ...
What is the chemical formula for water?a) H2Ob)CO2c) CH4d) NaCl 相关知识点: 试题来源: 解析 a) H2O 题目要求判断水的化学式。水由两个氢原子和一个氧原子组成,化学式为H₂O(对应选项a)。其他选项中: - **b) CO₂**:二氧化碳,由碳和氧组成,与水的组成无关。 - **c) CH₄**:甲烷,...
The formula mass of sulfuric acid is 98. The formula mass of a compound is the mass of a single molecule of that compound. A molecule is made up of...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
Using as a gelling agent a compounds of the formula MaMb(SO4)2.xH2O, wherein Ma is a monovalent metal ion having an oxidation state of I, Mb is a trivalent metal ion having an oxidation state of III, and x is 0-24US6616753 Dec 11, 2001 Sep 9, 2003 Halliburton Energy Services, ...
Answer to: Find the mass of water produced from 1.00 g glucose. C6H12O6 + 6 O2 \rightarrow 6 CO2 + 6 H2O By signing up, you'll get thousands of...
In the given problem, mass of the solute, mass of the solvent and volume of the solution is known. However, only information related to the masses are sufficient to compute the mass percentage of the components.Answer and Explanation:
Here, we investigate the deep ore body of the Qianchen gold deposit at the southern part of the Jiaojia gold belt based on mineralogy, fluid inclusion, elemental and isotopic composition of pyrite, and the primary halo geochemistry. Natural gold is the important form of Au in this deposit ...
The reason of its mass production is due to its outstandingly broad range of practical (medical, pharmaceutical, industrial, etc.) applications. D-gluconate is a well-known and exceptionally popular complexing agent; accordingly, it has been the subject of a large number of coordination chemical ...
百度试题 结果1 题目How many atoms are in the formula Na2S2O3• 5 H2O? ( ) A. 12 B. 29 C. 18 D. 32 E. 22 相关知识点: 试题来源: 解析 E 反馈 收藏