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| Question | Answer |
| 1) What is a mole? | 6.02x10^23 particles of anything |
| 2) 1 mole = __________ atoms | 6.02x10^23 atoms |
| 3) 1 mol of zn = ____ mole of Au | 1 mole |
| 4) How many moles are in 1.29 x 10^24 molecules of HF? | 2.14 moles H atoms |
| 5) How many moles are in 7.36 x 10^24 atoms of Mg? | 12.2 moles Mg |
| 6) How many moles are in 3.28 x 10^23 NaCl molecules? | 0.545 moles |
| 7) How many molecules are present in 3.14 mol of H2O? | 1.89x10^24 molecules |
| 8) How many molecules are present in 2.79 moles of nitrogen trihydride? | 1.68x10^23 molecules |
| 9) How many atoms are present in 0.00906 moles of silver? | 5.45x10^21 atoms |
| 10)How many atoms are in a 3.56 g sample of Cu? | 3.37 x 10^22 Cu atoms |
| 11) How many g of CaCO3 are present in a sample if there are 4.52 x 10^24 atoms of carbon in that sample? | 751 g CaCO3 |
| 12)Find the formula mass of KMnO4 | 158.00 g/mol |
| 13)Find the formula mass of Mg3(PO4)2 | 262.79 g/mol |
| 14)Find the molecular mass of C12H22O11 | 342.23 g/mol |
| 15) How many moles are in 17.7 g of KMnO4? | 0.112 mol KMnO4 |
| 16) How many moles are in 41.2 g of Mg3(PO4)2? | 1.57 mol Mg3(PO4)2 |
| 17) How many moles are in 26.9 g of C2H8? | 0.841 moles |
| 18) How many moles are 1.98 x 10^24 molecules C2H8? | 3.29 moles |
| 19) What is the mass of 1.98 x 10^24 molecules C2H8? | 105g |
| 20)Find the percentage composition of oxygen in KMnO4 | 40.48% O |
| 21) Find the percentage composition of potassium in KMnO4 | 24.75% K |
| 22) Find the percentage composition of phosphorus in Mg3(PO4)2 | 23.57% P |
| 23) Find the percentage composition of magnesium in Mg3(PO4)2 | 27.75% Mg |
| 24) Find the percentage composition of oxygen in Mg3(PO4)2 | 48.68% O |
| 25) Which of the following is not an empirical formula: C2H3, CH4O6, H2O, C4H6 | C4H6 |
| 26) What is the name of BaBr2 | 2H2O? |
| 27) What is the molar mass of BaBr2 | 2H2O? |
| 28) what are the units of molar mass? | g/mol |
| 29) How many grams are in 3.89 moles of zinc chloride? | 530 grams |
| 30) How many grams are in 0.504 moles of copper (I) nitride? | 102 grams |
| 32) How many grams are 5.69x10^25 molecules of phosphorus trichloride? | 12979 grams |
| 33) How many grams are 24700 atoms of tin? | 4.87x10^-18 grams |
| 34) How many molecules are in 0.589 g of aluminum sulfate? | 1.04x10^21 molecules |