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How many moles of NH3 are produced when 1.7 moles H2 reacts? How many moles of...

How many moles of NH3 are produced when 1.7 moles H2 reacts?

How many moles of N2 reacted if 0.65 mole NH3 is produced?

How many moles of SO3 are in 17.51 g of SO3?

How many moles of Ca(NO3)2 are in 4.502 g of Ca(NO3)2?

How many moles of C are in each of the following quantities? 88.1 g Sn(C2O4)2

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Homework Answers

Answer #1

3H2 + N2 -----> 2NH3

Thus, when 1.7 moles of H2 reacts, moles of NH3 produced = 2*1.7/3 = 1.134

Moles of N2 reacted when 0.65 moles of NH3 is produced = (0.65/2) = 0.325

Molar mass of SO3 = 80 g/mole

Moles of SO3 in 17.51 g of it = mass/molar mass = 17.51/80 = 0.219

Molar mass of Ca(NO3)2 = 164 g/mole

Thus, moles of Ca(NO3)2 in 4.502 g of it = mass/molar mass = 4.502/164 = 0.0275

Molar mass of Sn(C2O4)2 = 294.75 g/mole

Thus, moles of Sn(C2O4)2 in 88.1 g of it = mass/molar mass = 88.1/294.75 = 0.3

Thus, moles of C = 4*moles of Sn(C2O4)2 = 1.2

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