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How many moles of NH₃ are needed to react in order to form 660. g (NH₄)₂SO₄ according to the following balanced equation: 2 NH₃ + H₂SO₄ --> (NH₄)₂SO₄ *

Respuesta :

Answer:

10moles of NH₃ will produce 660g of (NH₄)₂SO₄

Explanation:

Equation of reaction:

2NH₃ + H₂SO₄ → (NH₄)₂SO₄

2 mole of NH₃ = 1 Mole of (NH₄)₂SO₄

Molar mass of NH₃ = [14 + (3*1)] = 17g/mol

Number of moles = mass / molarmass

Mass = number of mole * molarmass

Mass = 2 * 17 = 34g

Molar mass of (NH₄)₂SO₄ = [(14 + 4)*2 + (32 + 64)

Molar mass of (NH₄)₂SO₄ = 132g/mol

Mass = molar mass * number of moles

Mass = 132 * 1 = 132g

From the equation of reaction,

34g of NH₃ will produce 132g of (NH₄)₂SO₄

34g of NH₃ = 132g of (NH₄)₂SO₄

X g of NH₃ = 660g of (NH₄)₂SO₄

X = (34*660) / 132

X = 170g of NH₃

170g of NH₃ will produce 660g of (NH₄)₂SO₄

Number of moles = mass / molarmass

Molar mass of NH₃ = 17g/mol

Number of moles = 170 / 17

Number of moles = 10moles

Therefore 10moles of NH₃ will produce 660g of (NH₄)₂SO₄