Combustion analysis of toluene, a common organic solvent, gives 8. 79 mg of co2 and 2. 06 mg of h2o. If the compound contains only carbon and hydrogen, what is its empirical formula?.

How often do neap tides occur? a. about once a month b. about twice a month c. about once a year d. about twice a year

Heights of men on a baseball team have a bell-shaped distribution with a mean of 177 cm and a standard deviation of 6 cm. using the empirical rule, what is the approximate percentage of the men between the following values? a. 159 cm and 195 cm b. 165 cm and 189 cm a. 89% of the men are between 159 cm and 195 cm. (round to one decimal place as needed.) b. 89% of the men are between 165 cm and 189 cm. (round to one decimal place as needed.)

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