Chemistry, 31.01.2020 04:51 21schraderlily
Astudent dissolves 0.0688 mol of sodium hydroxide in water to make a 0.250 l solution. what is the molarity of the solution?
a.0.17 m
b.0.28 m
c.2.5 m
Answers: 3
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Afamily is one another name for a group on the table of elements.
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Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false
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The reaction: (ch3)3cbr + oh− → (ch3)3coh + br− in a certain solvent is first order with respect to oh−. in several experiments, the rate constant k was determined at different temperatures. a plot of ln(k) vs 1/t was constructed and the slope of the line was -1.10 x 104 k with a y-intercept of 33.5. what is the value for k at a temperature of 25°c?
Answers: 1
Astudent dissolves 0.0688 mol of sodium hydroxide in water to make a 0.250 l solution. what is the m...
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