Calculate the molecular mass of ethanoic acid, CH3COOH.(Atomic masses : C = 12 u; H = 1 u; O = 16 u)
The molecular mass of ethanoic acid (CH3COOH)
= 1xC + 3xH + 1xC + 2xO +1xH
= 12+3+12+32+1
= 60u
Related Articles
- Calculate the molecular mass of Nitric acid, HNO3.(Atomic masses: H = 1 u; N = 14 u; O = 16 u)
- The molecular formula of glucose is C6H12O6. Calculate its molecular mass.(Atomic masses: C = 12 u ; H = 1 u ; O = 16 u)
- Calculate the molecular mass of chloroform(CHCl3).(Atomic masses: C = 12 u; H = 1 u; Cl = 35.5 u)
- Calculate the molecular mass of hydrogen bromide (HBr).(Atomic masses: H = 1 u; Br = 80 u)
- Calculate the formula unit masses of ZnO, Na2O, K2C03, given atomic masses of Zn = 65 u, Na = 23 u, K = 39 u, C = 12 u, and O = 16 u.
- Calculate the molecular masses of the following compounds:(a) Hydrogen sulphide, H2S(b) Carbon disulphide, CS2(Atomic masses: H = 1 u, S = 32 u, C = 12 u)
- What is the mass of 5 moles of sodium carbonate (Na2CO3)?(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
- Calculate the mass in grams of 0.17 mole of hydrogen sulphide, H2S.(Atomic masses : H = 1 u, S = 32 u)
- What mass of nitrogen, N2, will contain the same number of molecules as 1.8 g of water, H2O? (Atomic masses : N = 14 u ; H = 1 u ; O = 16 u)
- How many moles are represented by 100 g of glucose, C6H12O6 ?(C = 12 u, H = 1 u, O = 16 u)
- Calculate the number of molecules present in a drop of chloroform (CHCl3) weighing 0.0239 g.(Atomic mass : C = 12 u ; H = 1 u ; Cl = 35.5 u)
- 2. Calculate the formula unit masses of \( \mathrm{ZnO}, \mathrm{Na}_{2} \mathrm{O}, \mathrm{K}_{2} \mathrm{CO}_{x} \) given atomic masses of \( Z n=65 u \), \( N a=23 u, K=39 u, C=12 u . \) and \( O=16 u \).
- Calculate the formula masses of the following compounds :(i) Sodium oxide, Na2O(ii) Aluminium oxide, Al2O3(Given : Atomic masses : Na = 23 u ; O = 16 u ; Al = 27 u)
- Calculate the number of aluminium ions present in 0.051 g of aluminium oxide (Al2O3). (Atomic masses: Al = 27 u; O = 16 u)
- If one gram of sulphur contains x atoms, calculate the number of atoms in one gram of oxygen element.(Atomic masses : S = 32 u ; O = 16 u)
Kickstart Your Career
Get certified by completing the course
Get Started
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies