Question

determine the number of compounds and the total number of atoms in the following chemical formulas: type in boxes. 3 nacl c6h12o6 2 caco3 8 h2o chemical formula number of compounds multiply the coefficient by the subscript total number of atoms na = cl c = h = o ca = c = o h = o

Explanation:

Step1: Calculate the number of compounds

The number of compounds is determined by the coefficient in front of the chemical formula. So, for \(3NaCl\), the number of compounds is \(3\); for \(C_{6}H_{12}O_{6}\), it is \(1\); for \(2CaCO_{3}\), it is \(2\); for \(8H_{2}O\), it is \(8\).

Step2: Calculate the total number of atoms for each formula

• For \(3NaCl\):
• \(Na\): \(3\times1 = 3\)
• \(Cl\): \(3\times1=3\)
• Total atoms: \(3 + 3=6\)
• For \(C_{6}H_{12}O_{6}\):
• \(C\): \(1\times6 = 6\)
• \(H\): \(1\times12 = 12\)
• \(O\): \(1\times6=6\)
• Total atoms: \(6 + 12+6 = 24\)
• For \(2CaCO_{3}\):
• \(Ca\): \(2\times1 = 2\)
• \(C\): \(2\times1 = 2\)
• \(O\): \(2\times3=6\)
• Total atoms: \(2 + 2+6 = 10\)
• For \(8H_{2}O\):
• \(H\): \(8\times2 = 16\)
• \(O\): \(8\times1=8\)
• Total atoms: \(16 + 8=24\)

Answer:

Number of Compounds: \(3\), \(1\), \(2\), \(8\)
Total Number of Atoms: \(6\), \(24\), \(10\), \(24\)