Chemistry, 27.07.2019 03:10 bryceisawesome110
How many grams of solid chemical are needed to make 500 ml of a 5 m sodium chloride solution (nacl)? molecular weight of sodium chloride is 58 g/mol. round your answer to the nearest whole number. show your work; circle your answer.
percent solutions. 3 pts. how many grams of solid sodium chloride are needed to make 100 ml of a 6% nacl solution? show your work; circle your answer
dilutions from concentrated stock. 3 pts. you are asked to make 4 l. of a 0.5 m solution using a 5 m concentrated stock. how much stock do you need? show your work; circle your answer.
serial dilutions. 1 pt. a researcher prepares serial dilutions of 2.5 m sodium chloride. she adds 1 ml nacl to 9 ml of water in tube # she repeats this 4 more times. what is the concentration of nacl in the final dilution (tube #5)? show your work.
Answers: 3
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Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
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Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
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Chemistry, 22.06.2019 22:30
Calculate the concentration of all species in a 0.165 m solution of h2co3.
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What is the work done by the electric force to move a 1 c charge from a to b?
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How many grams of solid chemical are needed to make 500 ml of a 5 m sodium chloride solution (nacl)?...
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