QUESTION 8 If 0.153 L of 0.104 M Na2SO4(aq) is combined with 0.175 L of 0.209 M NaCl, what is the concentration of Nations in the final solution, assuming the inal volume is the sum of the volumes of the two solutions? (Write your answer in 3 significant figures)
QUESTION 8 If 0.153 L of 0.104 M Na2SO4(aq) is combined with 0.175 L of 0.209 M NaCl, what is the concentration of Nations in the final solution, assuming the inal volume is the sum of the volumes of the two solutions? (Write your answer in 3 significant figures)
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:QUESTION 8
If 0.153 L of 0.104 M Na2SO4(aq) is combined with 0.175 L of 0.209 M NaCl, what is the concentration of Nations in the final solution, assuming the final volume is the
sum of the volumes of the two solutions? (Write your answer in 3 significant figures)
QUESTION 9
Osmium has a density of 22.6 g/cm³. The mass of a block of osmium that measures 0.103 m x 0.116 m x 0.142 m is_
(Write your answer in scientific notation and round to 3 significant figures. Do not include units.)
QUESTION 10
9.
Determine the number of grams of B2H6 (molar mass 27.67 g/mol) that can be made from 3.204 g of NaBH4 (molar mass 37.83 g/mol) and 5.424 g of BF3 (molar mass
67.81 g/mol) when they react as shown in the balanced equation (write your answer to 4 significant figures, DO NOT INCLUDE UNITS)
3 NaBH4 + 4 BF3 — 3 NaBF4 +2 B2H6
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Expert Solution
Step 1
Question 8 :
First we need to calculate moles of Na+ from both solutions separately using the given concentration and volume .
Then we would Calculate total moles of Na+ ions in solution given by both compounds.
Then using total moles and total volume, we can calculate final concentration.
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