Question

write down the chemical formula of the following compound and and calculate the molecular mass each of the following(1)causatic potash(2)baking powder(3)lime stone(4)ethanol

Answer 1

Caustic potash - KOH (pottasium hydroxide)
39+1+16=56
BAKING POWDER -(sodium bicarbonate.)NaHCO3
22+1+12+16*3=84
Lime stone- CaCO3(calcium carbonate)
40+12+16*3=100
Ethanol-C2H5OH
12*2+1*5+16+1=46..
All the ans are in whole nos approx. The decimal part is neglected..

Hope it helps you...