Chem cw Mole
Mole
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Topics of this game:
- How much is one mole ?
- How much volume can 1 mole of oxygen gas occupy ?
- What is relative atomic mass (RAM)
- What is the formula of relative atomic mass (RAM)
- What is the RAM of platinum atom when it's 5 times heavier than potassium atom ? (RAM: K,39)
- Calculate the number of carbon atoms that has the same mass as 1 molybdenum (RAM: C,12 Mo,96)
- Calculate 1/6 mole of copper
- Calculated 0.05 mole of manganate (VII), KMnO4 (RAM:H,1;He,4;O,16;S,32;K,39;Mn,55;Co,59;Cu,64)
- 0.50 moles of sodium hydroxide are dissolved in250cm^3 of water. Calculate the molarity of the solution.
- Calculate the mass in grams of sodium chloride, that must be dissolved in 500cm^3 of water to prepare a solution of water to prepare a solution of concentration 0.20 mole dm ^-3.
- What is the molarity of a solution that has 80g of NaOH in 2.5dm^3 of water ?
- What is the molarity of a solution that has 0.5 mol of NaCl in 250ml of water?
- What is the molarity of a solution that has 117g of NaCl in 1000ml of water?
- What is the mass of sodium carbonate required to dissolve in water to prepare a 200cm^3 solution that contains 50g/dm^3?
- Calculate the number of moles of ammonia in 150cm^3 in 2 mol/dm^3 aqueous ammonia? [0.3mol]
- What is the volume of distilled water required to add to 60cm^3 of 2M sulfuric acid to produce 0.3M acid? [350cm 3]
- 200cm3 of 2m HCl is added to 300cm3 of. 0.5M HCl. Calculate the molarity of HCl produced.
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