chemical-aritmatic

Related Questions

• Approximate atomic weight of an element is 26.89. If its equivalent weight is 8.9, the exact atomic weight of element would be

  ---

• Number of gm of oxygen in 32.2 g $N{a_2}S{O_4}.10{H_2}O$is

  ---

• If $1\frac{1}{2}$moles of oxygen combine with Al to form $A{l_2}{O_3}$the weight of Al used in the reaction is (Al=27)

  ---

• 100 ml of 0.1 N hypo decolourised iodine by the addition of $x$ g of crystalline copper sulphate to excess of KI. The value of $‘x’$ is (molecular wt. of $CuS{O_4}.5{H_2}O$is 250)

  ---

• What is the % of ${H_2}O$in $Fe{(CNS)_3}.3{H_2}O$

  ---