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how to find the mole

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
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2. asked by Zac
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the problem is find the pH of a solution prepared by dissolving all of the following in sufficient water to yield 1.00 L of
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2. asked by lolo
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Determine the simplest formula for compounds that have the following analyses. The data may not be exact.A. 28.5% iron, 48.6% O,
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2. asked by Chopsticks
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1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require xmole of KMnO4 in acidic medium for complete
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2. asked by Susan
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1 mole of nitrogen and 3 moles of hydrogen were mixed at 593k and 2.0x10^7pa.At equilibrium the mixture contain 1.5 mole of
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2. asked by Kondwani moyo
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How many moles of Sulfur are in 1 mole of Al2(SO4)3and If the densitry of a noble gas is 1.783 g/L at STP, that gas is.... My
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2. asked by Bryce
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For a given reaction, the rate constant doubles when the temperature is increasd from 27C to 49C What ite activation energy?
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2. asked by reginajones
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Determine the theoretical yield of C when each of the following amounts of A and B are allowed to react in the generic reaction:
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2. asked by rachel
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SHOW WORKHow 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
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2. asked by Caitlyn
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given the reactant amounts specified in each chemical eguation, determine the limiting reactant in each case:a.
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2. asked by christina
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