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frez [133]
2 years ago
8

Which set of coefficients correctly balances the following chemical equation?__ AgNO3 + ___ MgCl2 --> ___ AgCl + ___ Mg(NO3)2

Chemistry
2 answers:
anygoal [31]2 years ago
7 0
It's the 3rd one.
Ag balances with 2
NO3 balances with 2 
Mg balances with 1
Cl balances with 2
melisa1 [442]2 years ago
4 0
It is C 2 1 2 1

You have to 1st balance the nitrates then balance the silvers to get the coefficients

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Which term describes the information that a scientist gathers during an investigation? Data, hypothesis, observation, variable a
rosijanka [135]

Answer:hypothesis

Explanation:

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3 years ago
a thermometer containing 8.3g of mercury has broken. if mercury ha a density of 13.6g/mL. what volume is spilled?
scoray [572]
D = m / V

13.6 = 8.3 / V

V = 8.3 / 13.6

V = 0.610 mL

hope this helps!
4 0
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Read 2 more answers
Ignore, question was removed
djverab [1.8K]
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What are the oxidation numbers of K, Cl, and O in KClO,?
Tatiana [17]

Answer: Oxidation number of chlorine in potassium chlorate...

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4 0
2 years ago
In a reaction vessel, 17.6 g of solid chromium(III) oxide, Cr2O3, was allowed to react with excess carbon tetrachloride in the f
notsponge [240]

Answer:

72.53% is the yield of CrCl3

Explanation:

Given

Reaction:

Cr2O3(s) + 3 CCl4(l) → 2 CrCl3(s) + 3 COCl2(aq)

CCl4 is in excess and 17.6g  Cr2O3 present

The reaction yields 26.6g of CrCl3

To Find:

% yields of the reaction

Also given

Molar mass of CrCl3 = 158.35g/mol

Molar mass of Cr2O3 = 152.00 g/mol

By the stoichiometry of the reaction

1 mole of Cr2O3 gives  2 moles of CrCl3

0r

1 x1 52 g of Cr2O3 gives 2x 158.35 g of CrCl3

= 1 52 g of Cr2O3 gives 316.70 g of CrCl3

    17.6 g of Cr2O3 gives  (17.6÷152) × 316.70 g CrCl3

= 36.67 g CrCl3

but actual yield is only 26.6g

so % yield is (26.6 ÷÷ 36.67) × 100

= 72.53% is the yield of CrCl3

8 0
3 years ago
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