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6 questions
Show answers
- Q1What is the unit for molar massmole/grammolegramsgrams/mole30s
- Q2Avogadro's number is equal to22.416.02 x 10^2330s
- Q3The empirical formula is thethe expanded formulathe molecular formulareduced formula or the smallest whole number ratio30s
- Q4What is the first step in finding the molecular formula when given percent composition?change percent to grams (mass)divide by smallestmultiply unit wholemass to mole30s
- Q5What is the molar mass of oxygen?14 g/mol12 g/mol16 g/mol8 g/mol30s
- Q6How many atoms are in 3.5 grams of silicon?5.7 x 10^24 atoms Si2.5 x 10^22 atoms Si5.2 x 10^22 atoms Si7.5 x 10^22 atoms Si30s
