Can someone answer these plss :-)))
1. You have sample of 269.16 grams of water which contains 29.91 g of Hydrogen and 239.25 g of Oxygen.
Calculate the % Composition of H and O.
What is the mass ratio of this sample of water?
2. A sample of 150.00 grams of NaCl is composed of 60.00 g of Na and 90.00 g of Cl
Calculate the % Composition of Na and Cl
Calculate the mass ratio of your sample
Answers: 2
Chemistry, 22.06.2019 06:00, joelpimentel
This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light
Answers: 2
Chemistry, 22.06.2019 09:00, dante766
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
Can someone answer these plss :-)))
1. You have sample of 269.16 grams of water which contains 29.9...
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