Question

Решение H2 + S = HzS Дано n(H2) = 1,5 моль Найти: n(S) =? n(H2S) =? m(S) =? : 2)Дано: n(N20) = 3 моль решение NH4NO3 = N2O + 2H2O Найти: n(NH4NO3) =? n(H2O) =? V(N2O) =? 3)Дано: n(O2) = 1,7 моль решение 4HNO3 = 2H2O + 4NO2 + 02 Найти: n(HNO3) =? n(H2O) =? n(NO2) =?

Answer 1

Ответ:

Объяснение:

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Answer 2

Problem 1: H2 + S = H2S

Given: - n(H2) = 1.5 mol

To find: - n(S) - n(H2S) - m(S)

Solution:

The balanced chemical equation for the reaction is:

H2 + S = H2S

According to the law of conservation of mass, the number of atoms of each element must be the same on both sides of the equation.

From the balanced equation, we can see that 1 mole of H2 reacts with 1 mole of S to form 1 mole of H2S.

Given that n(H2) = 1.5 mol, we can determine the values for n(S) and n(H2S) as follows:

- n(S) = n(H2) = 1.5 mol - n(H2S) = n(H2) = 1.5 mol

To find the molar mass of S, we can refer to the periodic table. The molar mass of S is approximately 32.06 g/mol.

To find the mass of S (m(S)), we can use the formula:

m(S) = n(S) * Molar mass of S

Substituting the values, we get:

m(S) = 1.5 mol * 32.06 g/mol

Calculating the value, we find:

m(S) ≈ 48.09 g

Therefore, the values are: - n(S) = 1.5 mol - n(H2S) = 1.5 mol - m(S) ≈ 48.09 g