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Olenka [21]
3 years ago
13

Please help I have 50 minutes on this quiz!?!

Chemistry
1 answer:
Mariana [72]3 years ago
7 0

Explanation:

put them in where the letters start with

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decomposition of hydrogen peroxide produce water and oxygen . calculate the volume of O2 formed from the decomposition of 150 mL
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What salt is formed by the reaction of potassium hydroxide and hydrochloric acid?
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A 5.5 g sample of a substance contains only carbon and oxygen. Carbon makes up 35% of the mass of the substance. The rest is mad
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We have been given the condition that carbon makes up 35% of the mass of the substance and the rest is made up of oxygen. With this, it can be concluded that 65% of the substance is made up of oxygen. If we let x be the mass of oxygen in the substance, the operation that would best represent the scenario is,

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