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luda_lava [24]
2 years ago
10

How to prepare 100 mL of lead nitrate Pb(NO3)2 ?

Chemistry
1 answer:
Black_prince [1.1K]2 years ago
8 0

Answer:

It is obtained by dissolving lead(II) oxide in nitric acid

Explanation:

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3 years ago
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Which has a larger molar mass, salt (NaCl) or sugar (C12H22011) – how can you tell?
uysha [10]

Answer:

Explanation:

Molar mass of NaCl = (23+35.5)

Molar mass of NaCl = 58.5g/mol

Molar mass of C12H22011

= 12(12) + 22(1) + 16(11)

= 144 +22 + 176

= 342g/mol

4 0
3 years ago
HELP PLS THANK YA!!!
eduard

Answer:

there is the answers. hope this helps

5 0
2 years ago
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its
german
Hello!

First you need to calculate q 
<span>delta U is change in internal energy </span>

<span>delta U = q + w </span>
<span>q is heat and w work done </span>
<span>here work was done by the system means energy leaving the system so w is negative </span>

<span>delta U = q + w </span>

<span>q = delta U - w = 6865 J - (-346 J) = 7211 J = 7.211 KJ </span>

<span>q = m x c x delta T </span>

<span>7211 J = 80.0 g x c x (225-25) °C </span>

<span>c = 0.451 J /g °C
</span>
Hope this Helps! Have A Wonderful Day! :)
5 0
3 years ago
An alcohol is oxidized to carboxylic acid what is the molecular formula of alcohol
Marina86 [1]
The correct answer would be C2H60
5 0
3 years ago
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