What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution? [Na = 23, O =16, H = 1]

How many atoms are present in 6.0g of magnesium? [Mg = 24, N.A = 6.02 x 10 \(^{23}\)mol]

The radio isotope used in industrial radiography for the rapid checking of faults in welds and casting is?

Beryllium and Aluminium have similar properties because they

mE + nF -----> pG + qH 
In the equation shown, the equilibrium constant is given by?