Given that 0.403 g of nitrogen combines with 0.0864 g of hydrogen and H is assigned an atomic mass of 1.00 amu calculate the atomic mass of nitrogen based on the formula NH.

Question

07-10-2017
Chemistry

contestada

Given that 0.403 g of nitrogen combines with 0.0864 g of hydrogen and H is assigned an atomic mass of 1.00 amu calculate the atomic mass of nitrogen based on the formula NH.

Respuesta :

Otras preguntas

what theory did Enlightenment thinker john locke propose?A.the idea that authority is a divine rightB. the concept of parliamentary produceC. the belief that pe

_____ refers to the busiest calling hour of the day, week, month or year. And _____ refers to the average length of time the subscriber stays on the telephone.

Write a compound inequality to represent the following verbal expression: "A fish must be between 21 and 28 inches, inclusive of 21 inches, in order to keep it.

The nurse is instructing a parent of a newborn on the foods that are to be started based on age. The nurse instructs the parent that the first food to be give t

A 41-year-old male with no significant past medical history is brought to the Emergency Department after falling to the ground in the middle of a pick-up basket

Graph the function f(x) = 18(0.8)^x options will be below

Read the excerpt from Society and SolitudeSolitude is impracticable, and society fatal. We must keep our head in the one and our hands in the other. Theconditio

Drag each tile to the correct location.Sort the descriptions based on whether they are related to mitosis or meiosis.creates twoidentical cellscreates fournonid

Tina is telling Roberto what different people do in her neighborhood. Complete the sentences with the correct forms of the verbsand the correct indirect object

The card game of Euchre employs a deck that consists of all four of each of the aces, kings, queens, jacks, tens, and nines (one of each suit—clubs, diamonds, s

andriansp andriansp · Answer 1 · 2017-10-16T21:28:04+02:00

If the molecular formula is NH, then it means there are 1 molecule of nitrogen every 1 molecule of hydrogen. In this case, the hydrogen atomic mass is 1 and its weight is 0.0864 grams. The nitrogen weight 0.403 grams and we need to find the atomic mass. The calculation should be:

(1/ 0.0864 gram) * 0.403 = 4.66

I'm not sure that there is NH molecule. The molecular weight of nitrogen should be 14 so the question might be wrong. If the reaction is N2 + 3 H2 → 2 NH3
Then the answer is: (3/ 0.0864 gram) * 0.403 = 14

sarajevo sarajevo · Answer 2 · 2018-10-18T11:24:08+02:00

Given,

Mass of nitrogen = 0.403 g

Mass of hydrogen = 0.0864 g

Atomic mass of H = 1 amu

Moles = mass / molar mass

Molar mass of H₂ = 1 x 2 = 2 g/mol

Moles of hydrogen = 0.0864 g / 2 g/mol = 0.0432 moles

Nitrogen combines with hydrogen hence the chemical equation is:

N₂ + 3H₂ → 2NH₃

As per the balanced chemical reaction, 3 moles of H₂ combines with 1 mole of N₂

or, 1 mole of H₂ combines with 1/3rd mole of N₂

Therefore, 0.0432 moles of H₂ will combine with (1/3 x 0.0432 moles of N₂)

Moles of N₂ = 0.0144 mol

Molar mass = mass / moles

Molar mass of N₂ = (0.043 g N₂) / (0.0144 mol N₂) = 2.986 g/mol of N₂

Atomic mass of N = 2.986/2 = 1.493 amu