Calculate how much of the dilution solution should be used
When 2.7 ml of pure acetic acid are needed for a reaction, but only a 7% solution of acetic acid is available, measurement the dilution factor for 7% solution and use this factor to calculate how much of the dilution solution should be used instead?
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When the student's experimentally determined that 0.0201 moles of sulphur combined with 0.0399 moles of sodium, calculate the empirical formula of the compound produced in this exercise?
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A sample which is having 70g of sodium is allowed to react totally with the sulphur to form a sulphide that weighs 6.30g.
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When 2.7 ml of pure acetic acid are needed for a reaction, but only a 7% solution of acetic acid is available, measurement the dilution factor for 7% solution and use this factor to calculate how much of the dilution solution should be use
Determine the ratio of the more stable chair conformation to the less stable conformation at equilibrium at 298 K for the following compounds: bromocyclohexane and methylcyclohexane.
What is the point estimate of the proportion of people who prefer going to a shopping mall in their spare time? At 95% confidence, what is the margin of error associated with this estimate?
When the water is exposed to infrared radiation of the wavelength 2.6×10-4 cm. Assume that all the radiation is converted and absorbed to heat, determine the numbers of photons will be needed to raise the temperature of 2.4
A sample which is having 0.5033g of an unknown salt was dissolved in the water and passed through a caution exchange resin. The total elute from the Colum was diluted to 250ml and a 50ml aliquot was titrated with11.35mL of 0.10359 M sodium hydroxi
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