mallorynichole19
07.09.2021 •
Chemistry
Pls i need someones help plss pls pls
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Ответ:
5. B
6. D
Explanation:
5.
density = mass/volume
density = 12/75.4
density = 0.159
= 0.16 g/cm³
6.
mass = volume × density
mass = 20 × 2.5
mass = 50g
Hope this helps!! <3
Ответ:
2.52kg
Explanation:
80mm = 8 cm
0.15m = 15 cm
volume of the container = 10m × 8cm × 15cm
= 1200 cubic centimetres
mass = density × volume
= 2.1 × 1200 = 2520g
2520/ 1000 = 2.52kilograms