Question

1. Given the following balanced chemical equation, answer the following questions: 3 CaCl2 (aq) + 2 Na3PO4 (aq) → Ca3(PO4)2 (s) + 6 NaCl (aq)

A. How many mol of Ca3(PO4)2 are expected from 10.5 mol CaCl2?

B. How many mol of Ca3(PO4)2 are expected from 450.0 g CaCl2?

C. How many grams of Na3PO4 must be provided to the reaction to form 800.0 g Ca3(PO4)2?

Answer #1

When an aqueous solution of CaCl2 is mixed with an aqueous
solution of Na3PO4, a chemical reaction occurs resulting in the
formation of Ca3(PO4)2 and NaCl. This is shown by the chemical
equation: 3CaCl2 (aq) + 2Na3PO4 (aq) → Ca3(PO4)2 (s) + 6NaCl (aq)
a. Describe a method for separating Ca3(PO4)2 from the product
mixture.
b. Once the Ca3(PO4)2 has been removed, the NaCl can be
recovered. Describe a method for recovering the NaCl from the
aqueous solution.

solutions containing 400 g CaCl2 and 400 g Na3PO4 are mixed how
much Ca3(PO4)2 can be formed
Given equation
3CaCl2 (aq) + 2 Na3PO4 (aq) --> Ca3 (PO4)2 (s) + 6 NaCl
(aq)

A) (NH4)3PO4(aq)+CaCl2(aq)→Ca3(PO4)2(s)+NH4Cl(aq)
Express your answer as a chemical equation. Identify all of the
phases in your answer.
B)
HCl(g)+O2(g)→H2O(g)+Cl2(g)
Express your answer as a chemical equation. Identify all of the
phases in your answer.

Using the following equation
K3PO4(aq)+Ca(NO3)2(aq)---Ca3(PO4)2(s)+KNO3(aq)
Complete balanced equation and answer
If you start with 3.2g of K3PO4, how many grams of CA(NO3)2 are
needed to reach stoichiometric quantities?

please answer these questions
1-Consider the following balanced equation:
2 Fe(s) + 3 Cl2(g) → 2
FeCl3(s)
How many moles of iron(III) chloride are obtained when 7.67
moles of chlorine gas react with excess solid iron? Assume the
reaction is 100% efficient.
2- What mass of hydrochloric acid must have reacted with
magnesium if 9.56 grams of hydrogen were produced? Include units
with your answer.
The UNBALANCED equation is provided:
Mg(s) + HCl(aq) → H2(g) +
MgCl2(aq)
3- What volume...

1)
Write the ionic and net ionic equations for the balanced
chemical reaction given.
Ca(NO3)2(aq) + Na2CO3(aq) CaCO3(s) + 2 NaNO3(aq)
2)
Give the products of the reaction between aqueous solutions of
Na3PO4 and MgCl2.
Na3PO4 + MgCl2
3)
How much energy is needed to raise the temperature of 49.32 g of
copper metal from
23.0oC to 137.0oC?

Given the balanced
equation:
2Na3PO4 + 3MgCl2 —> 6NaCl +
Mg3(PO4)2
How many grams of Mg3(PO4)2 will
be produced from 100.0mL of 0.200M Na3PO4 and excess MgCl2?
How many formula units of MgCl2
will react with 4.4 moles of Na3PO4?

Consider the balanced reaction equation given below: 2 AgNO3
(aq) + CaCl2 (aq) --------> 2 AgCl (s) + Ca(NO3)2 (aq) What mass
of calcium chloride will be needed to produce 2.35 x 1025 formula
units of silver chloride?

How many grams of Ca3(PO4)2 precipitate can form by reacting
169.1 mL of 1.9 M CaBr2 with an excess amount of Li3PO4, given the
balanced equation:
2 Li3PO4 (aq) + 3 CaBr2 (aq) --> 6 LiBr2 (aq) + Ca3(PO4)2
(s)

Using the following equation
K3PO4(aq)+Ca(NO3)2(aq)---Ca3(PO4)2(s)+KNO3(aq)
If you start with 4.6 grams of CA(NO3)2 and a stoichiometric
quantity of K3PO4 and produce a 92% yield CA3(PO4)2, what is the
actual yield in grams

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