1. How many gram of calcium chloride are formed when 15g of calcim metal react with hydrochloric acid.
2.balance the following equation by the lcm and inspection method.
a. pcl +H2o= =H3po4 +Hcl
b. c +o2 =co2
3. How many moles of H2o are required to produce 4.5 moles of HNO3 According to the following reaction 3NO2 + H2o = 2HNO3 + No


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