Рассчитайте массу одной молекулы нитрата натрия.

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Molecular formula of sodium nitrate (NaNO3) consists of one sodium atom (Na), one nitrogen atom (N), and three oxygen atoms (O).

The molar mass of sodium is 22.99 g/mol, nitrogen is 14.01 g/mol, and oxygen is 16.00 g/mol.

So, the molar mass of one molecule of sodium nitrate can be calculated as follows:

Molar mass = 22.99 + 14.01 + (3 * 16.00) = 22.99 + 14.01 + 48.00 = 86 g/mol

Therefore, the mass of one molecule of sodium nitrate is 86 g/mol.