Ans is E please help thanks:) A mixture of NaCl and NaNO3 is 31.7% sodium by...

Question

Question

Ans is E

please help thanks:)
A mixture of NaCl and NaNO3 is 31.7% sodium by mass , what is approximate percentage NaCl in this mixture? a 30% b 32% -C 34%

Answer 1

Answer #1

Answer

Molar Molar mass mans of Nach = 58.44 g ma-1 of Nat is = 22.98 g ma- Molar mass of Nanoz - 84.99g mot Let the mixture contain

NO. in the assumed Now, to by mass of wace mixture - 58.449 x 100 - - 40-7 go. Thus the 40.7.1. amay the given mixture also h

Answer 2

Similar Homework Help Questions

.6.84 g of a mixture of NaNO3 and Na2SO4 contains 2.11 g of sodium. What is...

.6.84 g of a mixture of NaNO3 and Na2SO4 contains 2.11 g of sodium. What is the percent by mass of NaNO3 in the mixture? O 1.96% 40.1 % 0 O 71.4%% O 28.6% 59.9% Please answer all the questions save submit
Need help with these please :) Thanks What mass of sodium hypochlorite, NaOCI (molar mass 74.5...

Need help with these please :) Thanks What mass of sodium hypochlorite, NaOCI (molar mass 74.5 g/mol), must be added to 250 mL of 0.60 M HCIO (hypochlorous acid, K.-3.5 x 10"), in order to produce a solution having a pH of 7.257 (Ans. ; A 25.0-mL sample of 1.00 M NH, is titrated with 0.15 M HCl. What is the pH of the solation after 15.00 mL of acid have been added to the ammonia solution? K,-1.8 x 10'(Ans,pH-...
10.0 g of a mixture of NaCl(s) and NaCN(s) are added to 1.00L of water. The...

10.0 g of a mixture of NaCl(s) and NaCN(s) are added to 1.00L of water. The change in volume is negligible. Once the solids have dissolved, the pH of the solution is 11.09. Therefore the percentage by mass of the mixture that is NaCN(s) is Ka (HCN) = 6.2 x 10-10 A. 36 B. 56 C. 66 D. 76 E. 46

Please Help! A 100.0-mL aqueous sodium chloride solution is 14.1% NaCl by mass and has a...

Please Help! A 100.0-mL aqueous sodium chloride solution is 14.1% NaCl by mass and has a density of 1.12 g/mL. What mass of solute would you add to make the boiling point of the solution 104.7 ∘C? (Use i = 1.8 for NaCl) Express your answer to two significant figures and include the appropriate units.
I need help with 11 and 12 please. Data Table Mixture NaCl (s) + H2O (1)...

I need help with 11 and 12 please. Data Table Mixture NaCl (s) + H2O (1) T (initial) T, (final) AT (T-T) -.20 25.00 24.80 NaNO, (s) + H2O (1) 24.99 24.11 -.88 NaCH,COO + H2O (1) 24.99 25.91 .82 Use your experimental data to answer the following questions: 7. Calculate AT (AT = T2-T) for each mixture and record the results in the data table. 8. An exothermic process releases heat (warms up), and an endothermic process absorbs heat...
please answer question asap....thanks NaNO3 Сасі, KNO3 KCr2O7 Solubility (g of salt in 100 g H20)...

please answer question asap....thanks NaNO3 Сасі, KNO3 KCr2O7 Solubility (g of salt in 100 g H20) Pb(NO3)2 KCI NaCl KCIO3 0 Cez(SO23 10 20 30 40 50 60 70 80 90 100 Temperature (°C) Based on the associated solubility chart, at what temperature would you need to heat a solution of KCl to dissolve 60.0 g of KCl in 120.0 g of H2O?

The answer is C. Please explain how to get there. 12. A 31.7 mL solution of...

The answer is C. Please explain how to get there. 12. A 31.7 mL solution of 2.00M succinic acid H2CaH 0a, a diprotic acid, was neutralized by 33.2 mL of aqueous sodium hydroxide solution. What is the concentration of the base? (a) 1.91 M (b) 0.477 M (c) 3.82 M (d) 0.239 M (e) 3.00 M
If a mixture is composed of 1.3g NaCl and 2.6g CaCO3 what percentage is CaCO3?? If...

If a mixture is composed of 1.3g NaCl and 2.6g CaCO3 what percentage is CaCO3?? If a mixture is composed of 1.3g NaCI and 2.6g CacO3 what percentage of this substance is CaCO3? 0 A 66% B. 50% ° C. 33% D. cannot be determined
6. A 1.500 g sample of a mixture of solid Na PO, 12H.O mixed with NaCl,...

6. A 1.500 g sample of a mixture of solid Na PO, 12H.O mixed with NaCl, was dissolved in water, reacted with aqueous 1 M SrCl, and 0.520 g Sr.(PO), precipitate was collected and dried to a constant mass. If the reagent tests demonstrated that Na PO:12H.O was the limiting reactant in the precipitation reaction, calculate the mass percent of Na PO, 12H 0 in the original sample. a. How many moles of Sr,(PO), were produced? b. What is the...

plz help im struggling 6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolv...

plz help im struggling 6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolve 4.000 grams of the mixture into enough water to make 50.00 mL of solution. You find that when you titrate your unknown solution, you require 42.19 mL of 1.000 M HCl for complete neutralization. What percentage (by mass) of the unknown mixture is Na CO,? Titration reaction: Na.Co. (aq) + 2 HCl(aq) → 2 NaCl(aq) + C048)...