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How many atoms of 0xygen

How many atoms of 0xygen are there in 8.43 g of KMnO4?Could someone please explain this?
1. 1 answer
2. asked by Morgan
3. 462 views
what is the pressure exerted by 32g of 0xygen(O2) in a 22.0 L container at 30.0`C?What Law do I use?
1. 4 answers
2. asked by Lee
3. 1,539 views
How many atoms of MgO are present in 13.0 moles?Responses 7.8 x 1024 atoms 7.8 x 10 24 atoms 78 atoms 78 atoms 4.6 x 1022 atoms
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2. 128 views
How many atoms of carbon does this molecule have?(1 point) Responses 6 atoms 6 atoms 2 atoms 2 atoms 4 atoms 4 atoms 1 atom
1. 1 answer
2. 51 views
For a chemical equation to be balanced, there has to be equal numbers of each type of element on both the reactant and product
1. 1 answer
2. 106 views
Use the model of a molecule to answer the question.H H | | H — C — C — O — H | | H H How many atoms of carbon does this
1. 1 answer
2. 336 views
Use the model of a molecule to answer the question.H H | | H — C — C — O — H | | H H How many atoms of carbon does this
1. 1 answer
2. 223 views
Use the model of a molecule to answer the question.H H | | H — C — C — O — H | | H H How many atoms of carbon does this
1. 7 answers
2. asked by Sage
3. 248 views
Research conducted on what happens when atoms get excited has helped in the identification of the atoms in the universe. What
1. 1 answer
2. 46 views
How many atoms of carbon (C) are present in the reactants of the following chemical equation? 2C6 H10 + 17O2 → 12CO2 + 10H2 O
1. 1 answer
2. 68 views