Chemistry, 02.10.2019 21:20 sunshine52577oyeor9
Calculate the number of grams of solute needed to make each of the following solutions:
100 g of 0.500% (w/w) nai
250 g of 0.500% (w/w) nabr
500 g of 1.25% (w/w) c6h12o6 (glucose)
750 g of 2.00% (w/w) h2so4
Answers: 1
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Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-
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Chemistry, 22.06.2019 08:30
Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
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Chemistry, 22.06.2019 14:30
Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
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Chemistry, 22.06.2019 16:30
Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory
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Calculate the number of grams of solute needed to make each of the following solutions:
100 g...
100 g...
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