What is the percentage composition of carbon
in Ca(...
What is the percentage composition of carbon
in Ca(HCO3)2 ?
[ Ca = 40.0, 0= 16.0, C = 12.0, H= 1.0]
22.2%
14.8%
7.4%
3.7%
Correct answer is B
. % of C in Ca(HCO3)2
Molar mass of Ca(HCO3)2 = 40+(1+12+(16*3))2
=40+(13+48)2
=40+122
=162
C/Ca(HCO3)2 x 100
=12 * 2/162 * 100
=14.8%
The decreasing order of the oxidising power of the halogens is ...
What is the atomic number of Praseodymium? ...
Which of the following dilute acids does not react with metals to liberate hydrogen? ...
Detergents are more advantageous than soaps in hard water districts because ...
Faraday s first law of electrolysis can be expressed mathematically as ...
Which of the following statements about enthalpy of neutralization is correct? It ...
The most commonly used bleaching agent is ...
A binary compound of oxygen with another element is referred to as? ...