What is the percent of bacl2.2h2o in the sample
A sample contains BaCl2.2H2O and NaCl. After 0.678 g of sample was heated and residue weighted 0.648 g. What is the percent of BaCl2.2H2O in the sample?
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A tank having a volume of 0.100 m3 contains helium gas at 125 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.300 m in diameter at an absolute pressure of 1.10 atm?
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