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Alexxandr [17]
3 years ago
10

Which of the following would be the best empirical evidence of the cycling of water in a terrarium?

Chemistry
2 answers:
sergejj [24]3 years ago
8 0

B. Healthy Plants is the answer


Kaylis [27]3 years ago
6 0
Condensation droplets
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A sample of monochloro pentaborane (9), b5h8cl, has a mass of 20.1 g. what amount, in moles, does this mass represent?
dolphi86 [110]

The number of moles in monochloro pentaborane (9) B_5H_8Cl is 0.37056.

We know that ,

Number of moles =   Given mass/ Molar mass

Given mass of monochloro pentaborane (9) is 20.1 g

The molar mass of monochloro pentaborane (9) is

                                        =  5*B +  8*H + Cl

                                        =  5* 10.811 + 8 * 1 + 35.453

                                        = 54.241

Thus number of moles =  20.1/54.241

                                      = 0.37056

To know more about mole concept

brainly.com/question/20483253

#SPJ4

 

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