62. Calculate the mass of a sample of copper(II) oxide, CuO, needed to exactly neutralise 100 cm of 2 mol dm- nitric acid, HNO, [Relative atomic mass: 1,1; N, 14; 0,16; Cu,64] A 4g
B 8 g
C 10 g
D 16 g​

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

What is the molar mass of potassium nitrate, kno3

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.