- Which statement contradicts John Daltons atomic theory?

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How many mL are in 0.5 grams of cyclohexene? A photon has a wavelength of 617 nm. Calculate the energy of the photon in joules. Enter your answer in scientific notation.? Consider a 1.5 M solution of KOH. How do u prepare 600 ml of this starting with the solid? Strontium-90 has a half life of 28.1 years. How long will it take for 4.00 g to be reduced to .600 g? Calculate the [H3O+] of oranges with pH=3.50 .
Express the molarity to two significant figures.?

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