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Answer :
35.76 grams of NH3 are present in 1.70 L of 1.50 M NH3 solution. To calculate the number of grams of NH3 present in a 1.70 L of 1.50 M NH3 solution.
The following formula is used:
`Molarity = moles of solute / liters of solution`.
Therefore, to solve the question above, the first step is to calculate the number of moles of NH3 in the solution.`
Molarity = moles of solute / liters of solution
`Rearranging the equation to isolate moles of solute, we get:
`Moles of solute = Molarity x liters of solution`Substituting the values given in the question, we get:`
Moles of NH3 = 1.50 M x 1.70 L`Moles of NH3 = 2.55 moles of NH3
To find the number of grams of NH3 in the solution, we use the molar mass of NH3.
`Molar mass of NH3 = 14.01 g/mol
`The number of grams of NH3 present in the solution is:`
Number of grams of NH3 = Moles of NH3 x Molar mass of NH3`
Number of grams of NH3 = 2.55 moles x 14.01 g/mol
Number of grams of NH3 = 35.76 g
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