Chemistry, 12.11.2019 21:31 eguzmandpandoracom
Astudent prepares an iron standard solution in a 50.00 ml volumetric flask. the iron stock concentration is 0.0001974 m. a student dispenses 29.80 ml of stock iron solution into the volumetric flask, adds the reagents, and dilutes to volume with h2o. the concentration of the iron standard is:
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How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:
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Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
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Astudent prepares an iron standard solution in a 50.00 ml volumetric flask. the iron stock concentra...
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