SBizzy
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I forgot how to work out Moles, the question is What is the mass od the following? A) Sodium (Na)
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monkeyman0121
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Look at the atomic mass of sodium on a periodic table.
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icequeenTM
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Write out the formula for moles. Rearrange it to find mass.
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SBizzy
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(Original post by icequeenTM)
Write out the formula for moles. Rearrange it to find mass.
I got 23, what is the formula?
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COYS...TTID
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Moles = mass/molar mass
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SBizzy
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Need help with this question, How much would the following weigh in grams?

A) 0.8 moles of nickel (Ni)

I don't know the equation for this question.
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Bluecoffeebean
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(Original post by SBizzy)
Need help with this question, How much would the following weigh in grams?

A) 0.8 moles of nickel (Ni)

I don't know the equation for this question.
I think (moles is a problem area-especially with the harder questions):

0.8x28 (Ar for Ni) =22.4 g

Mass= Moles x Ar or Mr
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SBizzy
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(Original post by Bluecoffeebean)
I think (moles is a problem area-especially with the harder questions):

0.8x28 (Ar for Ni) =22.4 g

Mass= Moles x Ar or Mr
On the answers it says 47g..
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Bluecoffeebean
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(Original post by SBizzy)
On the answers it says 47g..
How would you work it out then because I'm sure I got the equation right?
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SBizzy
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(Original post by Bluecoffeebean)
How would you work it out then because I'm sure I got the equation right?
You tell me, I don't know the equation.
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Bluecoffeebean
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(Original post by SBizzy)
You tell me, I don't know the equation.
It is 47g but the equation is also right... now excuse me while I sit in a corner revising moles
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