Some Basic Concepts of Chemistry

The percentage of C, H and N in an organic compound are 40%, 13.3% and 46.7% respectively then empirical formula is

Percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (at. wt. = 78.4) then minimum molecular weight of peroxide anhydrous enzyme is

Molarity of liquid HCl, if density of solution is 1.17 g/ce is

Specific volume of cylinfrical virus particle is 6.02 \(\times\) 10\(-\)2 cc/g whose radius and length are 7 \(\mathop A\limits^ \circ\) and 10 \(\mathop A\limits^ \circ\) respectively. If NA = 6.02 \(\times\) 1023, find molecular w...

Volume of CO2 obtained by the complete decomposition of 9.85 g of BaCO3 is

Oxidation numbers of A, B, C are + 2, +5 and \(-\)2 respectively. Possible formula of compound is