Question

bantu jawab dong kak soal nya​

Answer 1

Jawaban:

22. D

23. E

24. E

25. A

26. E

27. 28 gram

Penjelasan:

22. NH4 (D)

23. JP = n x bil.Avogadro = 13 x 6,02 x 10^23 = 78,26 x 10^23 (E)

24. Mr Fe2(SO4)3 = (2)56 + (3)32 + (12)16 = 112 + 96 + 192 = 400 (E)

25. T = 0°C & P = 1 atm (STP)

5,6/22,4 = 0,25 mol

Massa = n x MrSO2 = 0,25 x 64 = 16 gram (A)

26. n = massa/MrO2 = 32/32 = 1 mol

V = nRT/P = 1 x 0,082 x (27+273) / 1 = 24,6 liter (E)

27. 11,2/1 x 1 = 11,2 liter

Zn = 11,2 liter

n = 11,2/22,4 = 0,5 mol

Massa = 0,5 x 56 = 28 gram