Ch100: Fundamentals for Chemistry 1Moles & Molarity Worksheet 1/14/20191. You have a 26.98 g piece of aluminum.a) How many moles are in 26.98 g of Al?b) How many atoms are in 26.98 g of Al?c) How many moles are in 5.00 g of Al?d) How many atoms are in 5.00 g of Al?2. You have a 20.00 g piece of zinc.a) How many moles are in 20.00 g of Zn?b) How many atoms are in 20.00 g of Zn?c) How many moles are in 5.00 g of Al?d) How many atoms are in 5.00 g of Zn?Ch100: Fundamentals for Chemistry 2Moles & Molarity Worksheet 1/14/20193. You have a sample containing 10.00 g of AlCl3?a) What is the molecular mass of AlCl3?b) How many moles of AlCl3 are in the sample?c) How many moles of Al3+ are in the sample?d) How many moles of Cl- are in the sample?e) How many grams of Al3+ are in the sample?f) How many grams of Cl- are in the sample?4. You dissolve 25.00 g of AlCl3 in 1.0 L of de-ionized H2O.a) How many moles of AlCl3 are dissolved?b) How many molecules of AlCl3 are dissolved?c) What is the concentration of the solution in mol/L?Ch100: Fundamentals for Chemistry 3Moles & Molarity Worksheet 1/14/20195. You have a flask containing CaCl2 solution (0.10 mol/L).a) How many moles of CaCl2 are in 10 mL?b) How many molecules of CaCl2 are 10 mL?6. You want to prepare 0.1 L of NaCl solution (0.5 mol/L).a) What is the molecular mass of NaCl?b) How many moles of NaCl will be dissolved in the final solution?c) How many grams of NaCl are needed to prepare this solution?7. You have a glass of water (0.2 L). The density of water is 1.000 g/mL (1.000 x103 g/L).a) How many grams of water do you have?b) What is the molecular mass of water?c) How many moles of water are in the glass?d) What is the concentration (molarity) of the water in
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