Calculate the volume of the stock solution needed
What equation would you use to calculate the volume of the stock solution needed to prepare a solution that has a concentration that is less than 20% (v/v) (like 15% for example) in a 10mL flask if you have a 20% (v/v) ethanol solution.
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Determine the numbers of moles of gas would need to be added to the container at the constant temperature to increase the pressure from 1.00 atm to 1.80atm? A rigid container holds 3.00 moles of an ideal gas at 298K.
Determine the temperature of a sample of carbon dioxide gas with a density of 1.48 g/L and a pressure of 708 torr.
If the wave -length of microwaves in the oven is 9.75 cm, discuss how long does it take and determine the numbers of photons must be absorbed to make the water boil? Suppose only the water absorbs the energy of the microwaves and the specifi
Determine the numbers of grams of water at the 100oC can you boil if you add550 kilojoules to the water? The heat of vaporization for water is 40.8 kJ per mole of water.
Determine the phase difference among the current in the circuit and voltage a criss the inductor?
Sylvia has the apple orchard. One season, her 100 trees yielded 140 apples per tree. She wishes to increase the production by adding more trees to orchard.
Determine the numbers of hydrogens does diazepam have? Diazepam, marketed as an ant anxiety medication under the name Valium, has three rings, eight double bonds, and the formulaC16H? ClN2O.
The group of people could rent the social hall for $600. When five more people join venture cost per person is reduced by $10. Find how many people are in larger group?
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