Chemistry, 08.11.2019 10:31 whrjegt4jrnfdvj
Astudent makes a mistake while preparing a vitamin c sample for titration and adds the potassium iodide solution twice. how will the larger quantity of ki influence the amount of nbs needed to titrate the sample? a. increase it. b. decrease it. c. will have no effect on it.
Answers: 1
Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
Answers: 1
Chemistry, 22.06.2019 21:00
Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
Answers: 1
Chemistry, 23.06.2019 01:00
Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas
Answers: 2
Astudent makes a mistake while preparing a vitamin c sample for titration and adds the potassium iod...
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