## Question

#### SIMILAR QUESTIONS

Calculate the number of oxalic acid molecules in 100mL of 0.02 N oxalic acid solution.

Calculate the molarity of water if its density is 100 kg/m^{3}

Calculate the percentage of cation in ammonium dichromate.

Calculate the percentage of water of crystallisation in the sample of blue vitriol (CuSO_{4}.5H_{2}O)

Calculate the mass of sodium acetate (CH_{3}COONa) required to make500mL of 0.375 molar aqueous solution. Molar mass of sodium acetate is 82.0245 g mol^{–1}.

Calculate the concentration of nitric acid in moles per litre in a sample which has a density, 1.41 g ml^{–1}and mass per cent of nitric acid in it being 69%.

How much copper can be obtained from 100 g of copper sulphate(CuSO_{4})? (Atomic mass of Cu =63.5amu)

What is the concentration of sugar if its 20 g are dissolved in enough water to make a final volume up to 2 L?

If the density of methanol is 0.793 kg L^{–1}, what is its volume needed for making 2.5 L of its 0.25 M solution?

What is the mass in grams of one molecule of caffeine (C_{8}H_{10}N_{4}O_{2})?