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nalin [4]
4 years ago
8

A compound is found to contain 49.5% carbon, 5.19% hydrogen, 16.5% oxygen, and 28.9% nitrogen. its molecular mass is 194.2 g/mol

. what is its empirical formula? what is its molecular formula? explain what each of these formulas tells us about the molecule. (lesson 6)
Chemistry
1 answer:
mixas84 [53]4 years ago
3 0
28.9 uno mum mum mum  yen tab rf  etc wax ohm yen rev wax tab yen umm ism ol, edc 

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Sphinxa [80]

Answer:

b) F

Explanation:

Only non-metals can gain electrons during ionic bonding.

b) F

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The net ionic equation for the reaction of aluminum sulfate and sodium hydroxide
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My teacher hasn’t explained it well enough for me to actually understand it ;(
NISA [10]

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melamori03 [73]

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4 0
3 years ago
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s2008m [1.1K]
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m (H₂O) = 75g - mass.
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</span>Q = m·C·<span>ΔT.
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</span>Q = 75g · 50°C · 4,18 J/g·°C = 15675J = 15,675 kJ.
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8 0
3 years ago
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