Explain how would you prepare aqueous solution of sodium
Suppose a density of water of 1.0 g/ml; Explain how would you prepare 200 ml of a 5.0wt% aqueous solution of sodium hydroxide?
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Heating 2.40 g of the oxide of metal X where the molar mass of X=55.9g/mol in the carbon monoxide yields the pure metal and carbon dioxide. The mass of the metal product is 1.68g.
Determine the numbers of moles of KClO4 are formed? Determine the numbers of moles of KCl are produced?
When 50.0 g of SiO2 is heated with an excess of carbon, 32.2 g of SiC and some CO gas are formed. How can balance the equation.
Sample of 2700 bacteria selected from the population reached size of 2954 bacteria in 2 hours. Determine continuous growth rate per hour. Write the answer as the percentage.
Suppose you are carrying out a re-crystallization and you add too much solvent. What can you do to obtain the procedure back on track?
The half life of the certain radioactive substance is 1.5 sec. Initial amount of substance is S0 grams. State amount of substance S remaining as the function of time t.
Write down a balanced equation for the reaction of molecular oxygen and phosphorus on the basis of this empirical formula.
Determine the limiting reagent? Determine the theoretical yield? Determine the percent yield if the actual yield is 386.0 g of CO2.
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