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- 1. Multiple ChoiceHow many moles are in 15.7 g Ni?0.268 mol921 mol9.45 x 1024 mol2.61 x 10-23 mol
- 2. Multiple ChoiceHow many grams are in 4.210 x 1023 atoms of manganese?38.42 g1.392 x 1049 g4.613 x 1045 g0.01273 g
- 3. Multiple ChoiceA rectangle has a length of 7.23 cm and a width of 9.644 cm. How should the perimeter of the rectangle be rounded using significant figure rules?33.748 cm33.7 cm33.74 cm33.75 cm
- 4. Multiple ChoiceWhat is the IUPAC name of the ion SO42-?sulfatesulfitehyposulfitepersulfate
- 5. Multiple ChoiceWhat is the IUPAC name of the ion BrO2-?bromatebromitehypobromiteperbromate
- 6. Multiple ChoiceHow many significant figures are in the measurement 43,000 bytes?2534
- 7. Multiple ChoiceA factor of 1 x 10-6 corresponds to the prefixmicroMegakilomilli
- 8. Multiple Choice
Report the volume to the correct number of sig figs.11.39 mL11.4 mL11 mL11.399 mL - 9. Multiple ChoiceThe nitrate ion forms an acid that is very caustic. Which of the following is the IUPAC formula for the nitrate ion?NO3-NO-3NO2-NO-2
- 10. Multiple ChoiceThe hypoiodite ion is very unstable and is made by reacting iodine with a base. What is the IUPAC formula for hypoidite?IO-IO2-IO3-IO4-
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