The molar mass of iron (Fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

A solution is prepared by dissolving 10.0 g NaCl in 600 g of water. What is its molality? (Note: the molar masses are NaCl = 58.5 g/mol; H2O = 18.0 g/mol) A. 0.892m NaCl B. 0.285m NaCl C. 5.13m NaCl D. 1.81m NaCl

How many moles of MgS2O3 are in 249g of the compound

If you were traveling in a region known to have a polluted water supply, would you drink the water that your host said had been heated to 100 degrees for 5 minutes? Explain.

The maximum dry unit weight and the optimum moisture content of a soil are 16.8 kN/m3 and 17%, respectively. If Gs is 2.73, what is the degree of saturation at optimum moisture content

Tom skis at an average speed of 5 m/s. How many minutes does it take for Tom to ski 4050 m?

Who developed the idea of uniformitarianism? A. James Hutton B. Nicholas Steno C. William Smith D. Georges Cuvier

A sample of a hydrate has a mass of 5.026 g. After it is heated, it has a mass of 3.492 g. What is the percentage by mass of water in the hydrate? 1. 19.40% 2. 27.92% 3. 30.52% 4. 69.48%

What is the name of the binary compound N2P3

Urbanization is the cause of "urban heat island" a condition that could be described as

What is the mass number of an atom which is made up of 27 protons, 33 neutrons and 27 electrons?