A solution is made by dissolving 74.5 g KNO3 in water to make 700.0 mL of solution. What is the molaroty oh the solution?

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?