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- 1. Multiple ChoiceWhat is the molar mass of AuCl3?96 g130 g232.5 g303.3 g
- 2. Multiple ChoiceA mole of carbon dioxide contains 6.02 x 1023 _____.atomsformula unitsionsmolecules
- 3. Multiple ChoiceHow many molecules are there in 31.8 moles of water?5.28 x 10-23 molecules1.91 x 1025 molecules5.28x 10-251.91 x 1022
- 4. Multiple ChoiceDetermine the number of
atoms in
2.50 moles of zinc.1.51 x 1024 atoms4.15 x 10-24 atoms2.71 x 10-22 atoms163 atoms - 5. Multiple ChoiceHow many moles of sulfur atoms are there in 5.0 g of sulfur?160 mol8.3 x 10-24 mol0.16 mol2.7 x 10-22 mol
- 6. Multiple ChoiceHow many grams of silicon (atomic mass = 28.1 amu) would there be in a sample that contained 9.99 x 1052 atoms? (atoms to grams)1.69 x 10284.66 x 10301.66 x 10731.69 x 1078
- 7. Multiple ChoiceHow many grams of NaCl (molar mass = 58.45g) are present in 11.00 moles? (moles to grams)0.4500 g156.6 g331.0 g642.9 g
- 8. Multiple ChoiceWhat are the units for molar mass?gramsamugrams/moleliters
- 9. Multiple ChoiceFind the Molar Mass of:
Ga2(SO3)3280 g/mol400 g/mol380 g/mol480 g/mol - Answer choicesTagsAnswer choicesTags