a. Mm HCl = 35.45 g/mol
Mol = masa /Mm
Mol = 60 g / 36.45 g/mol = 1.64 mol
1 mol ---- 6.022 x 10²³ moléculas
1.64 mol ---- x
x = 9.87 x 10²³ moléculas
b. Mm H2O = 18 g/mol
mol = 5 g / 18 g/mol
mol = 0.2778
0.2778 mol ---- x
c. Mm SO2 = 64 g/mol
mol = 100 g / 64 g/mol = 1.563 mol
1.563 mol ---- x
5 mol ---- x
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a. Mm HCl = 35.45 g/mol
Mol = masa /Mm
Mol = 60 g / 36.45 g/mol = 1.64 mol
1 mol ---- 6.022 x 10²³ moléculas
1.64 mol ---- x
x = 9.87 x 10²³ moléculas
b. Mm H2O = 18 g/mol
mol = 5 g / 18 g/mol
mol = 0.2778
1 mol ---- 6.022 x 10²³ moléculas
0.2778 mol ---- x
x = 1.673 x 10²³ moléculasc. Mm SO2 = 64 g/mol
mol = 100 g / 64 g/mol = 1.563 mol
1 mol ---- 6.022 x 10²³ moléculas
1.563 mol ---- x
x = 9.412 x 10²³ moléculad. 1 mol ---- 6.022 x 10²³ moléculas
0.1 mol ---- x
x = 60.22 x 10²² moléculas
e. Mm H2 = 2 g/mol
mol = 10 g / 2 g/mol = 5 mol
1 mol ---- 6.022 x 10²³ moléculas
5 mol ---- x
x = 3.011 x 10²⁴ moléculas