Grade 5 Questions
1. How many moles are there in a 5g
sample of sodium chloride, NaCl?
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Chemistry, 21.03.2021 18:50 kaitherusher
Grade 5 Questions
1. How many moles are there in a 5g
sample of sodium chloride, NaCl?
2. Which has the highest number of moles,
5g of Cucl, or 8g of Cuso,?
3. A student made 8.6g of ammonium
chloride, NHCI, how many moles did
they make?
4. Propane (C2Hg) and butane (CH) are
both used as fuels. If I burnt 500g of
each, which one would I have used up
the most number of moles?
5. A very old bottle of wine was opened and
was found to contain 96g of ethanoic
acid, C, H,O,, how many moles of this
acidic substance were found in the
bottle?
Answers: 1
Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
Chemistry, 22.06.2019 20:30
What is a difference between a mixture of elements and a mixture of compounds
Answers: 1
Chemistry, 22.06.2019 21:30
How can the periodic table be used to predict the behavior of elements?
Answers: 1
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