The volumes of gases A, B, C and D are in this ratio 1 : 2 : 2 : 4 under the same conditions of temperature and pressure.

Using your answer from (d), state the mass of D if the gas is dinitrogen oxide (N₂O). [N = 14, O = 16]

44 g

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30 g

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50 g

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20 g

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24 g

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Solution

The correct option is A
44 g

6 x 10²³ molecules is the Avogadro's number of molecules contained in one gram of the substance.

Hence, the mass of D is 44 g.

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Similar questions

(a) The volumes of gases A, B, C and D, are in the ratio, 1 : 2 : 2 : 4 under the same conditions of temperature and pressure.
(i) Which sample of gas contains the maximum number of molecules?
(ii) If the temperature and the pressure of gas A are kept constant then what will happen to the volume of A when the number of molecules is doubled?
(iii) If this ratio of gas volumes refer to the reactants and products of a reaction, which gas law is being observed?
(iv) If the volume of A is actually 5.6 dm³ at STP, calculate the number of molecules in the actual volume of D at STP.
(Avogadro's number is 6 × 10²³).
(v) Using your answer from (iv), state the mass of D if the gas is dinitrogen oxide (N₂O).
(N = 14; O = 16)
(b) Calculate the percentage of nitrogen in aluminium nitride. (Al = 27, N = 14)

The volumes of gases A, B, C and D are in the ratio 1:2:2:4 under the same conditions of temperature and pressure.
(i) Which sample of gas contains the maximum number of molecules?
(ii) If the temperature and the pressure of gas A are kept constant, then what will happen to the volume of A when the number of molecules is doubled?
(iii) If this ratio of gas volume refers to the reactants and products for a reaction, which gas law is being observed?
(iv) If the volume of A is actually 5.6 dm^3 at STP, of D at STP (Avogadro's Number is $6 \times 10^{23}$ .
(v) Using your answer from (iv), state the mass of D if the gas is dinitrogen oxide $(N_{2} O)$ .

(b) The reaction: 4N₂O + CH₄ $\overset{}{\to}$ CO₂ + 2H₂O + 4N₂ takes place in the gaseous state. If all volumes are measured at the same temperature and pressure, calculate the volume of dinitrogen oxide (N₂O) required to give 150 cm³of steam.
(N = 14, O = 16, C = 12, H = 1)

The reaction: takes place in the gaseous state. If all volumes are measured at the same temperature and pressure,

Calculate the volume of dinitrogen oxide (N₂O) required to give 150 cm³ of steam.

[N = 14,O = 16,C=12,H=1]

Samples of the gases O₂, N₂, CO₂ and CO under the same conditions of temperature and pressure contain the same number of molecules represented by X. The molecules of oxygen [O₂], occupy V litres and have a mass of 8 g. Under the same conditions of temperature and pressure:
(a) What is the volume occupied by:
(i) X molecules of N₂?
(ii) 3X molecules of CO? [C = 12, N = 14, O = 16]
(b) What is the mass of CO₂ in g?
(c) In answering the above questions, which law have you used?

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The volumes of gases A, B, C and D are in this ratio 1 : 2 : 2 : 4 under the same conditions of temperature and pressure. Using your answer from (d), state the mass of D if the gas is dinitrogen oxide (N2O). [N = 14, O = 16]

The correct option is A 44 g6 x 1023 molecules is the Avogadro's number of molecules contained in one gram of the substance. Hence, the mass of D is 44 g.

The volumes of gases A, B, C and D are in this ratio 1 : 2 : 2 : 4 under the same conditions of temperature and pressure.

Using your answer from (d), state the mass of D if the gas is dinitrogen oxide (N₂O). [N = 14, O = 16]

The correct option is A
44 g

6 x 10²³ molecules is the Avogadro's number of molecules contained in one gram of the substance.

Hence, the mass of D is 44 g.