Which of the following contains greatest number of N atoms?

Question

Which of the following contains greatest number of N atoms? (A) 22.4 L nitrogen gas at STP (B) 500 mL of 2.00 M NH 3 (C) 1.00 mol of NH 4 Cl (D) 6.02 × 1023 molecules of NO 2

Tardigrade Admin · Accepted Answer

a. 22.4 L N 2 gas at STP =1 mol N 2 =N0 molecules of N 2 =2 N0 atoms of N b. (500 × 2/1000)=1 mol of NH 3 =N0 molecules of NH 3 =N0 atoms of N c. 1 mol of NH 4 Cl =N0 atoms of N d. 6.02 × 1023 NO 2 molecules =6.02 × 1023 atoms of N

Q. Which of the following contains greatest number of $N$ atoms?

$22.4 L$ nitrogen gas at STP

$500 m L$ of $2.00 M N H_{3}$

$1.00 m o l$ of $N H_{4} Cl$

$6.02 \times 1 0^{23}$ molecules of $N O_{2}$

Q. Which of the following contains greatest number of N atoms?

22.4L nitrogen gas at STP

500mL of 2.00MNH3​

1.00mol of NH4​Cl

6.02×1023 molecules of NO2​

a. 22.4LN2​ gas at STP=1molN2 =N0​ molecules of N2​ =2N0​ atoms of N b. 1000500×2​=1mol of NH3​ =N0​ molecules of NH3​ =N0​ atoms of N c. 1mol of NH4​Cl=N0​ atoms of N d. 6.02×1023NO2​ molecules =6.02×1023 atoms of N

Q. Which of the following contains greatest number of $N$ atoms?

$22.4 L$ nitrogen gas at STP

$500 m L$ of $2.00 M N H_{3}$

$1.00 m o l$ of $N H_{4} Cl$

$6.02 \times 1 0^{23}$ molecules of $N O_{2}$