Calculate the formula mass for each compound. a)MgBr HNO2 CBr4 Ca(NO3)2 Formula Mass: Formula mass is the mass obtained by adding the atomic masses of each atom of a compound. It is expressed in the atomic mass unit (amu)r. It is calculated for ionic compounds. ...
377 0 12:39 App 6.5 empirical formula 实验式 217 0 13:13 App 6.3 molar volume of gas 气体摩尔体积 3381 2 04:17:56 App 国际化学竞赛JCCO知识点讲解 342 0 17:09 App 5.2 equations for chemical reaction 配平化学反应方程式 1230 0 01:12:04 App IGCSE chemistry atoms and elements 原子和元素...
Body mass index (BMI) is a measure of your weight relative to your height. For all men and women 20 years old and older, the BMI measurement is classified into one of four main weight categories: Below 18.5: Underweight 18.5 – 24.9:Healthy Weight ...
oxygen. The molecular mass was found to be 250 amu. Calculate the molecular formula for this drug. 22. The characteristic odor of pineapple is due to an ester known as ethyl butanoate. It contains C, H, and O. Combustion of 2.78 g of this compound produced 6.32 g of CO ...
In summary, to calculate the mass of gas in a tank, first measure the volume of gas in the tank. Next, determine the gas's density, which can vary with temperature and pressure. Finally, use the formula: mass = volume × density. Ensure that all measurements are in compatible units to...
The result is used to determine if that individual isobese, overweight, normal weight or underweightdepending on where they fall within the BMI category ranges. 1.1 How is BMI Calculated? The body mass index formula is easy to determine. It’s a simple calculation that takes into account your...
In summary, to calculate the mass of gas in a tank, first measure the volume of gas in the tank. Next, determine the gas's density, which can vary with temperature and pressure. Finally, use the formula: mass = volume × density. Ensure that all measurements are in compatible units to...
Calculate the molar mass of the compound Mg(NO3)2. Calculate the mass percent of O in NaC_2O_4 (molar mass = 134.00 g/mol). Calculate the formula mass and molar mass of HClO_3. Calculate the molar mass of Mn(OH)3. Calculate the molar mass of Al(C2H3O2)3. A. 139.99 g/mol ...
Calculate BMI (Body Mass Index) with our free Best BMI calculator to determine weight status. Find BMI for women, men & children.
(i) Molecular mass of H(2)O : 2 xx 1+1 xx 16 = 18 u (ii) Molecular mass of CO(2) : 1 xx 12 + 2 xx 32 = 44 u (iii) Molecular mass of CH(4) : 12 + 4 xx 1 = 16 u.