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%
When sodium reacts with water, the resulting solution is ...
A compound has an empirical formular CH2O and molecular mass of 90. [H = 1.00, C = 12.0, O = 16.0...
The oxide from electric power station is ...
Which of the orbitals 4s, 4p, 4d and 4f has the lowest energy? ...
Which of the following compounds of trioxonitrate (V) will decompose to give dinitrogen (i) oxi...
What is the atomic number of Nobelium? ...
A balanced chemical equation obeys the law of? ...
What is the chemical symbol for Nobelium? ...
Which of the following compounds determines the octane rating of petrol? ...