Odpowiedź:
12. m = 62,1 g
13. a) 3,7 cm^3
b) 1,3 cm^3
14. 5435 cm^3
15. 81,18 g
Wyjaśnienie:
12. V = 30 cm^3
d = 2,07 g/cm^3
m = V * d
m = 30 cm^3 * 2,07 g/cm^3 = 62,1 g
13.
a) m = 10 g
d = 2,7 g/cm^3
V = m / d
V = 10 g / 2,7 g/cm^3 = 3,7 cm^3
b) m = 10 g
d = 7,8 g
V = 10 g / 7,8 g/cm^3 = 1,3 cm^3
14. m = 5 kg = 5 000 g
d = 0,92 g/cm^3
V = 5 000 g / 0,92 g/cm^3 = 5435 cm^3
15. V = 6 cm^3
d = 13,53 g/cm^3
m = d * V
m = 6 cm^3 * 13,53 g/cm^3 = 81,18 g
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Odpowiedź:
12. m = 62,1 g
13. a) 3,7 cm^3
b) 1,3 cm^3
14. 5435 cm^3
15. 81,18 g
Wyjaśnienie:
12. V = 30 cm^3
d = 2,07 g/cm^3
m = V * d
m = 30 cm^3 * 2,07 g/cm^3 = 62,1 g
13.
a) m = 10 g
d = 2,7 g/cm^3
V = m / d
V = 10 g / 2,7 g/cm^3 = 3,7 cm^3
b) m = 10 g
d = 7,8 g
V = m / d
V = 10 g / 7,8 g/cm^3 = 1,3 cm^3
14. m = 5 kg = 5 000 g
d = 0,92 g/cm^3
V = m / d
V = 5 000 g / 0,92 g/cm^3 = 5435 cm^3
15. V = 6 cm^3
d = 13,53 g/cm^3
m = d * V
m = 6 cm^3 * 13,53 g/cm^3 = 81,18 g