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28cm3 of 0.2mol of sodium

28cm3 of 0.2mol of sodium hydroxide was titrated against 25cm3 of hydrochloric acid using methyl orange as indicator, calculate
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2. asked by rukayya
3. 582 views
A piece of zinc is added to 1000cm3 of 0.2mol/dm3 hydrochloric acid. After effervescence had stopped, 28cm3 of the resulting
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2. asked by Jane
3. 784 views
Consider the following equilibrium:At equilibrium, 4.0 × 10-2mol H2, 4.0 × 10-2mol CO, 1.0 × 10-2mol H2O and 1.0 × 10-2mol C
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2. asked by Jane
3. 556 views
In the determination of the percentage of purity of impure solution, Sodium trioxocarbonate4, 4.2g of the salt was dissolved in
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2. 40 views
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants?2Na(s)+Br2(g)
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2. asked by Kimmie
3. 12,009 views
I was told before that it takes 2 mol of fluorene to be reduced by 1mol of sodium borohydride....How many mg of fluorenone can
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2. asked by ~christina~
3. 598 views
28cm3 of a gas weighs 0.4g at STP.Calculate the molecular mass of the gas.
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2. asked by David
3. 709 views
Initially a vessel is charged at 1000K with SO3 at a partial pressure of 0.5atm. At equilibrium the SO3 partial pressure is
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2. asked by aadilah
3. 603 views
Initially a vessel is charged at 1000K with SO3 at a partial pressure of 0.5atm. At equilibrium the SO3 partial pressure is
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2. asked by aadilah
3. 800 views
At rest, a neuron has a lower concentration of sodium than the surrounding fluid. When a neuron sends a signal, it opens sodium
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2. 78 views