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Unformatted text preview: If no reaction occurs, write N.R. a. Lead nitrate + potassium chloride b. Aluminum sulphate and sodium hydroxide c. Ammonium phosphate + lithium sulphate d. Barium sulphide + copper (II) sulphate e. Stannic chloride + sodium carbonate 4. How many lithium atoms are there in 4.12g of lithium? 5. What is the weight of 4.22 moles of helium? 6. What is the weight of 2.12 x 10 26 silicon atoms? 7. 1.2 g of aluminum is contained in a box. How many aluminum atoms are there? 8. The average box of Smarties contains 125 little chocolate gems. How many moles of Smarties is this?...
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- Fall '11