Chemistry, 11.07.2019 21:30 evan1v1123
Which of the following are acceptable ways to make one liter of 1 m nacl? a) put 1 liter of water into a container, then add 1 mole of nacl and stir until the nacl dissolves. b) put 1 mole of nacl into a container, then add 1 liter of water and stir until the nacl dissolves. c) put 1 mole of nacl into a container, then add water with stirring until the total volume reaches 1 liter need by 9/3/18, 11: 59pm
Answers: 1
Chemistry, 22.06.2019 09:00
What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable
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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 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
Chemistry, 22.06.2019 23:30
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Which of the following are acceptable ways to make one liter of 1 m nacl? a) put 1 liter of water i...
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