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Calculate the mass of each gas sample at STP.(a) 5.82 L NO(b) 0.324 LN2(c) 139 cm3 Ar

Chapter 11, Problem 88P

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QUESTION:

PROBLEM 88P

Calculate the mass of each gas sample at STP.

(a) 5.82 L NO

(b) 0.324 LN2

(c) 139 cm3 Ar

Questions & Answers

QUESTION:

PROBLEM 88P

Calculate the mass of each gas sample at STP.

(a) 5.82 L NO

(b) 0.324 LN2

(c) 139 cm3 Ar

ANSWER:

Problem 88P

Calculate the mass of each gas sample at STP.

(a) 5.82 L NO

(b) 0.324

(c) 139  Ar

                                                             Step by Step Solution

Step 1 of 3

(a)

At STP 22.4L contains one mole of molecules.

The conversion factor will be;

From the given,

The molecular mass of  NO = 30.01 g/mol

Volume of NO = 5.82L.

Let’s calculate the mass of 5.82 L NO.

Therefore, the mass of 5.82 L NO gas at STP is 7.80 g.

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