The answer would be 2.047 x <span>10^23 atoms of copper </span>
Answer:
1 mole of water requires 1 mole of hydrogen (H2) and 0.5 moles of oxygen (O2). This requires 100/18 moles of hydrogen. As the molar mass of hydrogen is 2, it requires 200/18 = 100/9 g of hydrogen. It requires 100/9 g of hydrogen gas and 800/9 g of oxygen gas to make 100 g of water.
100 g h = 50 moles hydrogen gas as weight of one mole of hydrogen gas is 2 ( mol. Weight of h is 1 and Hydrogen molecule gas 2 hydrogen.
So we will get 50 moles of water
2.5 moles O2
9
Answer:
5.1 Crystal structure and habit.
5.2 Hardness.
5.3 Lustre and diaphaneity.
5.4 Colour and streak.
5.5 Cleavage, parting, fracture, and tenacity.
5.6 Specific gravity.
5.7 Other properties.