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One mole of nirtogen at
which will become a buffer in 1L of H2O?
a) 0.3 mole KOH & 0.3 mole HBr b) 0.5 mole NH3 & 0.5 mole HCl c) 0.2 mole NaCl & 0.3
1 answer
asked by
Zac
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One mole of nirtogen at 273K occupying 10 litres (state 1) is to be expanded to a volume of 20 litres at 373K (state 2). An
0 answers
asked by
Alice
648 views
Determine the simplest formula for compounds that have the following analyses. The data may not be exact.
A. 28.5% iron, 48.6% O,
4 answers
asked by
Chopsticks
1,689 views
1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require xmole of KMnO4 in acidic medium for complete
3 answers
asked by
Susan
2,098 views
How many moles of Sulfur are in 1 mole of Al2(SO4)3
and If the densitry of a noble gas is 1.783 g/L at STP, that gas is.... My
1 answer
asked by
Bryce
1,253 views
For a given reaction, the rate constant doubles when the temperature is increasd from 27C to 49C What ite activation energy?
0 answers
asked by
reginajones
697 views
Determine the theoretical yield of C when each of the following amounts of A and B are allowed to react in the generic reaction:
1 answer
asked by
rachel
5,165 views
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How many moles of helium occupy 26.4 L at a pressure of 103.0 kPa, and 10 degrees Celsius? A.) 0.03 mole B.) 0.86 mole
1 answer
asked by
Caitlyn
881 views
given the reactant amounts specified in each chemical eguation, determine the limiting reactant in each case:
a.
1 answer
asked by
christina
2,392 views
What is the empirical forumla (lowest whole ratio) of the compounds below?
A. 13.0g Mg 1 mole/24.312 = .53 mole 87.0g Br 1
5 answers
asked by
Chopsticks
663 views