Answer:
110kg
Explanation:
Density = mass / volume
Mass = density x volume
Given
Density = 2kg/l
Volume = 55l
Mass = 2kg/l x 55l
Mass = 110 kg
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200 ml is 1/5 of a liter, so the answer is five times the number of moles present in the solution. 0.6 moles/0.2 liter = x moles/1.0 liter. Solving for x gives 0.2 x = 0.6 or x = 3.0 M
so the answer is c
Answer:
the modals of arrangement for first periodic table was. increasing atomic mass and grouping together of elements having similar properties
I'm not 100% sure but I think it's false
