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aliina [53]
3 years ago
13

Which statement accurately describes planetesimals

Biology
1 answer:
olga55 [171]3 years ago
7 0

A planetesimal is an object formed from dust, rock, and other materials. ... Planetesimals can be anywhere in size from several meters to hundreds of kilometers. The term refers to small celestial bodies formed during the creation of planets. One way to think of them is as small planets, but they are much more than that.

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3 years ago
What is the molarity of 40.0 grams of sodium hydroxide in 1.50 L of solution
Oksi-84 [34.3K]

Formula: Molarity = <span>Amount of substance (in moles)/Volume of solution (in litres)</span>

40.0⋅g<span>/40</span>⋅<span>g⋅</span><span><span>mol</span><span>−1</span></span> ÷ (1.50⋅L) = 0.667 <span>−1</span>  sodium hydroxide.

 

The Molarity of 40 grams of Sodium Hydroxide in 1.50L of solution is 0.667 mol*L-1

<span> </span>

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