A technician has been given 250 ml's of 15% acetic acid solution. The pharmacist has asked the tech to dilute the solution to 500 ml's with sterile water and to label the solution. What percentage should appear on the label

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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

answer seismograph;