What is the molar mass of calcium sulfite, CaSO3?

Convert 199 meters/second to miles/hour? 

Convert 127 meters/second to miles/hour?

Calculate the number of moles in a sample containing 3.80 g of theoretical compound J2Q where the molar mass of J is 25.41 g/mol and the molar mass of Q is 9.38 g/mol.

Jackium, a new element, has the would be seen on the periodic table in the following notation: Which of the following statements is true about this new element based on what you know about the periodic table.

Convert 13 ft2 to in2.

What is the mass, in grams, of 0.570 moles of sodium?

Calculate the mass for the theoretical element Zolium, Zo based on the data below. Isotope Mass (amu) Abundance Zo-30 29.9984 28.00% Zo-31 31.0003 17.00% Zo-32 32.4823 55.00%  

Calculate the mass for the theoretical element Zolium, Zo based on the data below. Isotope Mass (amu) Abundance Zo-30 29.9984 17.00% Zo-31 31.0003 28.00% Zo-32 32.4823 55.00%

Which of the following statements is/are correct Water freezing on a sidewalk during a snowstorm is a chemical change. [1] Formation of water from hydrogen gas and oxygen gas is a chemical change. [2] Chromium melting at 2000 oC is a physical change. [3]