How many moles of phosphorus trichloride are in 200 grams of the
62.67 mol
27,466.6 mol
1.46 mol
0.69 mol
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Ответ:
1.46 moles
Explanation:We are given ;
Mass of phosphorus trichloride is 200 gWe are required to calculate the number of moles of phosphorus trichloride;
We know that to calculate the number of moles we divide mass by the molar mass.That is;Moles = Mass ÷ Molar mass
Molar mass of phosphorus trichloride = 137.33 g/mol
Therefore;
Moles = 200 g ÷ 137.33 g/mol
= 1.456 moles
= 1.46 moles
Therefore, the moles of phosphorus trichloride are 1.46 moles
Ответ:
Because even one light bulb is broken, the others are still lit. Therefore it is not a series circuit