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rusak2 [61]
3 years ago
12

How does the law of conservation of mass apply to this reaction C2H4 + O2 > 2H2O + 2CO2

Chemistry
2 answers:
Vinil7 [7]3 years ago
8 0
<span>The equation needs to be balanced. There are fewer oxygen atoms in the equation than hydrogen and carbon. </span>
Sindrei [870]3 years ago
7 0
Coefficients are used here to balance the number of elements in the products and reactants. Coefficients are numbers that are placed in front of a chemical formulas in an equation. Hope it's useful.
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3 0
3 years ago
how many mL of a 3.5 M sodium hydroxide will be needed to neutralize 15mL of a 4.3 M hydrochloric acid solution?
kobusy [5.1K]
Step 1 : write a valanced equation..
NaOH + HCl 》NaCl + H2O

Step 2 : find the number of mole of HCl..
1000 ml ..contains 4.3 mole
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Stem 3 : use mole ratio....
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So mole is same as calculated above...

Step 4 :
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Do the calculation
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