- How many moles of Kr are in 398 mg of Kr??

Discover Questions

What is the potential difference between xi = 2.0 m and xf = 3.0 m ? Describe the systems that are used to eliminate solid and liquid wastes.? The area of a new park in the shape of a square is 10x^2+7x-12. What is the length of the side of the park? Calculate the mass (in grams) of 2.850 moles of CaCl2.2H2O (molar mass = 147.1 g/mol).? Find the equation of the line that passes through the point -2, 12 and -5, 21?