Chemistry, 17.12.2019 15:31 nataliaalejandradasi
To titrate 45.00 milliliters of an unknown hcl sample, use 25.00 milliliters of a standard 0.2000 m naoh titrant. what is the molarity of the hcl?
Answers: 2
Chemistry, 21.06.2019 21:00
Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid
Answers: 1
Chemistry, 22.06.2019 06:40
Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 3
Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 22.06.2019 12:50
The number at the end of an isotope’s name is the number.
Answers: 1
To titrate 45.00 milliliters of an unknown hcl sample, use 25.00 milliliters of a standard 0.2000 m...
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