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fredd [130]
3 years ago
14

Question 3 of 10

Chemistry
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer:

the moluculer formula is the answer

Explanation:

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Ph 2 will ahve more strength due to the fact that its more acidic compared to pH 5.

the lower the number of a pH, the more it is heading towards being acidic, but the higher the number, the more it heads towards being an alkali. here is a ppt i made along time ago. hope it can help you . have a nice day

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How do the test variables (independent variables) and outcome variables (dependent variables) in an experiment compare? A. The o
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Explanation:

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Positive because it keeps going ok
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What is the percent of Cr in Cr2O3
IgorLugansk [536]
The percentage of Chromium in Chromium Oxide is calculated as follow,

Step 1:
           Calculate Molar mass of Cr₂O₃,
Cr = 51.99 u
O = 16 u
So,
     2(51.99) + 3(16) = 103.98 + 48 = 151.98 u

Step 2:
          Secondly divide molar mass of only chromium with total mass of Cr₂O₃ and multiply with 100.
i.e.
                   = \frac{103.98}{151.98} × 100
                   
                   = 68.41 %
So, the %age composition of chromium in chromium oxide is 68.41 %.
5 0
3 years ago
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I need some advice, I know like this is random, and I can not do this cuz issa place for questions about school work and stuff,
alina1380 [7]

Answer:

well try talking to him first and being his friend. introduce yourself and try not to be too awkward or shy. can't reltate lol. after that if he really likes you, he'll initiate stuffs ^^

Explanation:

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