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How many grams of barium sulfate solid are produced from reacting 18.48 grams of barium chloride with an excess amount of sodium sulfate?
$BaCl_2(aq) + Na_2SO_4(aq) rarr BaSO_4(s)darr + 2NaCl(aq)$ $"Moles of barium chloride"=(18.48*g)/(208.23*g*mol^-1)=8.87xx10^-2*mol$ Barium chloride is the . At MOST, we can get $8.87xx10^-2*mol$ $BaSO_4(s)$, i.e. $8.87xx10^-2*molxx233.38*g*mol^-1=??g$ $"Barium sulfate"$ is as soluble...
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How many oxygen atoms are represented by $MgSO_4 * 7H_2O$?
In $"MgSO"_4$, the number of oxygen atoms is represented by the subscript directly next to the $"O"$. In $"7H"_2"O"$, the coefficient $7$ can be multiplied throughout each element in the...
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A mixture of magnesium carbonate and magnesium oxide of mass $12.46*g$ underwent fierce heating. After heating, there were $8.43*g$ of salt remaining. What were the masses of magnesium carbonate, and magnesium oxide in the original sample?
$MgCO_3(s)+DeltararrMgO(s) + CO_2(g)$ And we would have to heat the magnesium salt VERY fiercely to get complete decarboxylation. $"Moles of carbon dioxide LOST"$ $=$ $(4.40*g)/(44.01*g*mol^-1)$ $=0.010*mol$ And therefore in...
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Given the equation:
Pb(SO4)2 + 4 LiNO3 --> Pb(NO3)4 + 2 Li2SO4,
how many grams of lithium nitrate will be needed to make 250 grams of lithium sulfate, assuming that you have an adequate amount of lead (IV) sulfate to do the reaction?
Thanks lots.?
Balanced Equation $"Pb(SO"_4)_2("aq") + "4LiNO"_3("aq")"$$rarr$$"Pb(NO"_3)_4("aq")" + 2Li"_2"(SO"_4)("aq")"$ This at first glance looks like a double replacement (double displacement) reaction. However, a double replacement reaction does not occur unless one of...
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How many milliliters of 0.200M $NaOH$ solution are needed to react with 22.0 mL of a 0.490 M $NiCl_2$ solution?
$NiCl_2(aq) + 2NaOH(aq) rarr Ni(OH)_2(s)darr + 2NaCl(aq)$ There are $0.0108$ $mol$ $NiCl_2$ ($22.0xx10^(-3)cancelLxx0.490*mol*cancel(L^-1)$). So, by $0.0216$ $mol$ $NaOH$ are required. There is $0.200$ $mol*L^-1$ $NaOH$ solution available, so... $(0.0216*cancel(mol))/(0.200*cancel(mol)*cancel(L^-1))xx1000*mL*cancel(L^-1)$...
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How much magnesium metal is needed to prepare a $25*g$ mass of magnesium oxide?
We need (i) a stoichiometric equation: $Mg(s) + O_2(g) rarr MgO(s)$, and (ii), equivalent quantities of the product $MgO$: $"Moles of magnesium oxide"=(25*g)/(40.30*g*mol^-1)=0.620*mol$. Now from the of the equation, if...
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Using the following reaction, if 5.93 grams of sodium cyanide are reacted with 8.45 grams of sulfuric acid, how many grams of sodium sulfate will be produced? $2NaCN + H_2SO_4 -> Na_2SO_4 + 2HCN$
This appears to be a limiting reactant problem. 1. Write the balanced equation $"2NaCN" + "H"_2"SO"_4 → "Na"_2"SO"_4 + "2HCN"$ 2. Calculate the moles of $"Na"_2"SO"_4$ formed from...
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What molar quantity of magnesium ion is present in a $1000*mL$ volume of $0.50*mol*L^-1$ $MgSO_4(aq)$?
You specify a $0.5*mol*L^-1$ solution of $MgSO_4(aq)$. Since $"Concentration"$ $=$ $"Moles of solute"/"Volume of solution"$, $"Moles of solute"="Concentration"xx"Volume of solution"$. If we have a $1000*mL$ volume, then....... $"Moles of...
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Is Magnesium sulfate ($MgSO_4$) soluble in water?
a solubility of $35.1*g$ of the anhydrous salt in water at $20$ $""^@C$. The anhydrous salt can bind several water molecules, and so is extensively used to dry ethereal...
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Ksp=2.4x10^-5 for calcium sulfate.
What is the molar solubility of calcium sulfate in pure water?
What is the mass solubility of calcium sulfate in pure water,
expressed in g/L?
(a) Calcium sulfate is sparingly soluble. In a saturated solution the aqueous ions are in equilibrium with the insoluble salt: $sf(CaSO_(4(s))rightleftharpoonsCa_((aq))^(2+)+SO_(4(aq))^(2-))$ For which $sf(K_(sp)=[Ca_((aq))^(2+)][SO_(4(aq))^(2-)]=2.4xx10^(-5)color(white)(x)"mol"^2."l"^-2)$ The solubilty $sf(s)$ of the salt...
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