Chemistry

Problem

Using the formula

n = \frac{m}{M}

and number of particles,

N = n \times N_A

, calculate the following: a. a The number of water molecules in 2.50 mol of water. b. b The number of oxygen molecules in 64 g of oxygen. c. c The number of oxygen atoms in 64 g of oxygen. d. d The total number of atoms in 1 g of

\text{SiO}_2

. e. e The mass of one molecule of

\text{CO}_2

. f. f The mass of hydrogen atoms in 0.040 mol of

\text{C}_2\text{H}_6

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