Chemistry, 05.11.2019 01:31, bunbun2913
A. the concentration of oh- ions in a sample of seawater is 5.0 x 10-6m. calculate the concentration of h+ ions and determine the ph and poh of this solution. is it neutral, acidic, or basic? b. the concentration of h+ ions in a sample of lemon juice is 2.5 x 10-3m. calculate the concentration of oh- ions and determine the ph and poh of this solution. is it neutral, acidic, or basic?
Answers: 1
Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
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