Question

How many g in 10.0 mEq of Mg2+?

Answer #1

How many mEq of phosphate are there in 750mL of 5.25% magnesium
phosphate? 1000 mEq = 1 mol 1mol magnesium phosphate = 263 g
magnesium phosphate

6. A reaction vessel contains 10.0 g of CO and 10.0 g of O2.
How many grams of CO2 could be produced according to the following
reaction?
2 CO(g) + O2(g) → 2 CO2(g)
Calculate the efficiency of the vessel if 6 g of CO2(g) was
collected after the process.

How many grams of FeCl3·6H2O are needed to provide 10.0 g of
H2O?

How many milliequivalents (mEq) are 900 mg CaCl2 in 100 mL
solution?
Options:
162 mEq
122 mEq
243 mEq
81 mEq
What is the milliosmolarity (mOsmol/L) of a 0.9% sodium chloride
intravenous solution?
Options:
154 mOsmol/L
462 mOsmol/L
308 mOsmol/L
616 mOsmol/L

1)How many moles of HCl are in 67 mL of 0.11 M HCl?
2)What mass of calcium carbonate is needed for complete reaction
with the HCI in the previous question
HCl in (a)?Calcium carbonate reacts with HCl according to the
following equation:
2HCl(aq)+CaCO3(s)→CaCl2(aq)+H2O(l)+CO2(g)
3.Aqueous ammonia is commercially available at a concentration
of 16.0 M.
How much of the concentrated solution would you use to prepare
600.0 mL of a 1.10 M solution?
4a. How many grams are in 1
Eq...

How many liters of O2(g) are consumed for every 10.0 L of CO2
(g) produced in the combustion of liquid pentane, C5H12, if each
gas is measured at STP?
C5H12 (l) + 8 O2 (g) → 5 CO2 (g) + 6 H2O (l)

How
many grams of sodium hydroxide would be required to produce 10.0 g
of sodium stearate (NaC18H35O2)?

The concentration of Mg2+ in seawater is about 0.055 M. (a) How
many liters of seawater will produce 1.00 kg of magnesium. (b) How
many kilograms of calcium oxide, CaO, must be added to the seawater
sample of part (a) in order to precipitate all of Mg2+ as magnesium
hydroxide. (c) Write a balanced equation for reaction that involves
Mg2+(aq), CaO(s), and H2O to produce Mg(OH)2(s).

45 mEq/L EACH OF K+ and C-
How many moles of K + are in 1.5 L of the solution?

A balloon contains 10.0 g of Ne(g). At constant temperature,
10.0 g of Ar(g) is added. What happens? (hint: how many moles of
each gas do you have?) A. The volume of the balloon expands by more
than 2 times. B. The balloon doubles in volume. C. The balloon
stays the same volume, but the pressure decreases. D. The balloon
stays the same volume, but the pressure increases. E. The volume of
the balloon expands by less than 2 times.

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