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steposvetlana [31]
2 years ago
10

Which statement is true for the highest point of a projectile trajectory?

Chemistry
2 answers:
n200080 [17]2 years ago
8 0
The vertical component of velocity is zero
JulijaS [17]2 years ago
3 0
The vertical component of velocity is zero
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A sample of sodium reacts completely with 0.284 kg of chlorine, forming 468 g of sodium chloride. What mass of sodium reacted?
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mass of sodium reacted is 184.1 g

Explanation:

  • Na + Cl → NaCl

mass Na = X = ?

∴ mass NaCl = 468 g

∴ mass Cl = 0.248 g

∴ molar mass NaCl = 58.44 g/mol

∴ atomic mass Cl = 35.453 a.m.u

∴ atomic mass Na = 22.989 a.m.u

⇒ moles Na = (X gNa)*(mol Na/22.989 g) = X/22.989 mol Na

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clearing "X":

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