A student finds that the weight of an empty beaker is 16.600 g. She places a solid in the beaker to give a combined mass of 16.629 g. To how many significant figures is the mass of the solid known?

According to reactivity series of metals, aluminium is more active. Hence, aluminium will substitute nickel from its salt, while nickel will not substitute aluminium. The answer - nothing will happen...

1 min = 60 sec.Therefore 330 min x 60 = 19,800 sec.

1.194kg to 2sf = 1.2kg

Part A1.194 kgPart B32.1246 LPart C0.00357925 c,Part D8767 m

The answer is =0.0035cm(two significant figures)

Answer: 8.8 *103

Answer: 3.53x10^2

14.4L

0.0015 or 1.5 × 10-3

A. 0.00357925 cm = 3.57925×10^–3 cmWhen we take two significant figures then 0.00357925 cm = 3.6×10^–3 cmB. 8767 m = 87.67×10^2When we take two significant figures then 8767...