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Oksanka [162]
3 years ago
12

Which of these is an appropriate instrument to measure mass?

Chemistry
1 answer:
iris [78.8K]3 years ago
8 0

Answer: Balance

Explanation:

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2 years ago
A sample of a compound contains 60.0 g C and 5.05 g H. Its molar mass is 78.12 g/mol. What is the compound’s molecular formula?
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A sample of a compound contains 60.0 g C and 5.05 g H.

divide by molar mass of C(12) and H(1) to get molar ratio

C: 60/12=5 and H: 5/1=5

so C:H=5:5=1:1

total molar mass=78

divide by 1C+1H to find the formula: 78/(12+1)=78/13=6

compound is C6H6


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3 years ago
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At STP, a 50.-gram sample of H2O(l) and a 100.-gram sample of H2O(1) have
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