chemistry mole concepts.. help please?

Question

write mole equalieties for:
- water
- sodium chloride
- plutonium

please explain how i can solve this

Answer 1

1 mole water (H2O) = 18 grams (1gram each for H 16g for O)

1 mole NaCl = 58.5 grams (23 g Na , 35.5 g for Cl)

1 mole Pu = 244.06 grams

Answer 2

Water: Molecular formula H2O
Look at the periodic table for the atomic mass of H and O
H = 1, O = 16
Find the molecular mass for the molucule.
The formula says 2 H and 1 O. (2*1) + (1*16) = 18
A mole is defined as the molecular mass in grams.
Molar mass 18 g/mol
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Answer 3

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Answer 4

it is not any longer attainable to accomplish chemistry and to do chemical calculations in case you're festricted to creating use of mass instruments mutually with grams there is not any possibility of doing any chemical calculations in case you're informed which you have reacted 15g of magnesium metallic with 24 g of oxygen. How lots oxide is produced? Who is conscious? except you flow the mol path that's impossible to declare. those 2 compounds . like quite a few chemical ingredients do no longer react on a gram to gram foundation. They react on a molecule to molecule foundation. yet via fact the molecule is any such very small quantity of matter , we use a greater handy unit referred to as the mole. chemical ingredients react with one yet another in suitable ratios of moles. interior the above occasion , 2 mol of Mg reacts with a million mol of O2 to produce 2 mol MgO you are able to now answer the question: If 8mol of Mg react with 4mol of O2, what number mol of MgO are produced - you are able to definitely answer 8 mol MgO. The mole is definitely an expression used to define the style of things. Mole isn't a mass unit. a million mol of something includes 6.022*10^23 ( an quite large quantity) products. 1mol of chemistry instructors is 6.022*10^23 chemistry instructors a million mol of sand grains is 6.022*10^23 sand grains a million mol oxygen molecules = 6.022*10^23 oxygen molecules. you will definitely see that each and each of those 3 products would have diverse finished mass - a million mol of instructors would have lots greater mass than a million mol of sand grains which will have lots greater mass than a million mol of oxygen molecules. bear in mind that the mol is a level of the style of things - it is not any longer a mass unit.

Answer 5

type the question clearly!

Answer 6

no

Answer 7

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