1. A pipette has a designated volume of 20.00 mL.A student uses the pipette to deliver three aliquots of water and determines the mass of each as follows:
Calculate the relative spread of these masses?
2.There are 0.10 moles of actic acid in 100 mL of a particular solution. Which of the following is correct in expressing the concentration of acetic acid in this solutions as %w/v.?
3.If an indication of the buffer capacity of a 0.010M buffer is measured as 20 drops of added acid, predict how many drops of acid could be added to the buffer if it had a concentration of 0.100M?
4.If 20.00 mL of stock solution with concentration of 50.00 mgL-1 is diluted to 100.00 mL, the dilute soluion will have a concentration of?
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