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A mole of a pure

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Please help. Can you tell me how to find1. what is the weight of 1 mole of pure sodium (Na)? 2. How many molecules of Na are in
1. 1 answer
2. asked by muffy
3. 470 views
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. 1 answer
2. asked by Zac
3. 686 views
A mixture of 0.2 mole of alcohol A and 0.5 mole of alcohol B has a law, find the pure vapour pressure of B at 298k given that
1. 1 answer
2. asked by Bola
3. 365 views
Classify each of these statements as always true, sometimes true, or never true1)___AT_____A mole of a pure substance contains
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2. asked by bryan
3. 884 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,
1. 4 answers
2. asked by Chopsticks
3. 1,688 views
The vapor pressure of pure ethanol at 20 degrees C is 44 mmHg, and the vapor pressure of pure methanol at the same temperature
1. 2 answers
2. asked by Stephany
3. 1,767 views
1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require xmole of KMnO4 in acidic medium for complete
1. 3 answers
2. asked by Susan
3. 2,095 views
A solution is prepared by mixing 0.0400 mol CH2Cl2 and 0.0800 mol CH2Br2 at 25 degrees C. Assume solution is ideal, calculate
1. 3 answers
2. asked by Sara
3. 1,410 views
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
1. 1 answer
2. asked by Bryce
3. 1,251 views
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
3. 696 views

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