Calculate the relative formula mass (M) of FeSO_{4} Relative atomic masses: O=16; S=32; Fe=56.The relative formula mass (M) is ___ (b) What is the mass of one mole of iron(Ⅱ) sullate? Remember to give the unit. ___ (c...
In the formula ρ = m/V, what does “ρ” indicate? A. mass B. volume C. density D. force 相关知识点: 试题来源: 解析 C。本题考查物理公式中符号的含义。在公式 ρ = m/V 中,ρ 代表密度(density)。A 选项 mass 是质量;B 选项 volume 是体积;D 选项 force 是力。反馈 收藏 ...
The formula F=ma shows that force, mass and acceleration are related. In this formula, “F” ___ directly proportional to “m”. A. is B. are C. be D. being 相关知识点: 试题来源: 解析 A。“F”在这里代表力,是单数概念,谓语动词用单数形式 is。反馈 ...
Q. Calculate the molecular masses of H2,O2,CO2,NH3. Q. The rates of diffusion of CO2 and O3 were found to be 029 and 0271respectively. Calculate the molecular mass of CO2, if the molecular mass of O3is 48. View More Related Videos Percentage Composition and Molecular Formula CHEMISTRY ...
the gram-equivalent mass of alcl3 is its gram-formula mass divided bya.1b.3c.4d.6
Given that the molecular mass of a compound is 360 g/mol, and that it has an empirical formula of CH2O, what is its' molecular formula? What is the empirical formula of benzene? The molecular formula mass of the compound CH2O is 120 amu. What are the subscripts in the actual molecular...
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the gram-equivalent mass of alcl3 is its gram-formula mass divided bya.1b.3c.4d.6 相关知识点: 试题来源: 解析 b 3 因为Al是3+ 这是sat2化学题 分析总结。 6扫码下载作业帮拍照答疑一拍即得答案解析查看更多优质解析举报b3因为al是3反馈 收藏 ...
What is the formula for phosphorous trichloride? What is the Lewis dot structure for CCl4? What is the electronegativity of carbon? What is a molecular formula? What is CCl4's molecular geometry? What is the formula mass of a molecule of CO2?
英语化学求分子式和试验试!A compound contains only carbon,hydrogen,and oxygen.Combustion of 10.68 mg of the compound yields 16.01 mg CO2 and 4.37 mg H2O.The molar mass of the compound is 176.1 g/mol.What are the empirical and molecular for