100 mL of 0.3 N HCl solution were mixed with 200 mL of 0.6 N H2SO4 solution. The final acidic normality is:
2 mole of ethyl alcohol are present with 6 mole of water. The mole fraction of alcohol is:
Two elements X (atomic weight = 75) and Y (atomic weight = 16) combine to give a compound having 75.8% of X. The formula of the compound is:
50 mL of an aqueous solution of glucose contains 6.02 × 1022 molecules. The concentration of solution is:
0.84 g of a metal carbonate reacts with 40 ml. of N / 2 H2SO4 The equivalent weight of metal carbonate
How many moles of Fe2+ ions are formed, when excess of iron is treated with 50 ml of 4.0 M HCl under inert atmosphere ? Assume no change in volume:
Which has the maximum number of atoms?
A solution of HC1 containing 0.659 g / mL and another solution of acetic acid containing 0.04509 g/ml., then:
How many g of KCI would have to be dissolved in 60 g H2O to give 20% by weight of solution?
