Answer:
11.22 gm
Explanation:
32.07 gm / mole * .350 mole = 11.22 gm
Answer:
D) contains more OH– ions than H+ ions
Explanation:
THESE ARE THE OPTIONS FOR THE QUESTION
A) causes some indicators to change color B) conducts electricity C) contains more H+ ions than OH– ions D) contains more OH– ions than H+ ions
Base can be regarded as substance which can dissociates in water then form hydroxide ions (OH–) .
Bases can be regarded as compounds which break into hydroxide ions I.e (OH-) with more other compounds if put in an aqueous solution. Hence it contains more OH– ions
Missing question: What is the vapor pressure of the solution at 25°<span>C?
n(NaCl) = 100 g </span>÷ 58,4 g/mol.
n(NaCl) = 1,71 mol.
NaCl → Na⁺ + Cl⁻, amount of ions are 2 · 1,71 mol = 3,42 mol.
n(CaCl₂) = 100 g ÷ 111 g/mol = 0,9 mol.
CaCl₂ → Ca²⁺ + 2Cl⁻, amount of ions 3 · 0,9 mol = 2,7 mol.
m(solution) = 1000 ml (1,00 L) · 1,15 g/ml = 1150 g.
m(H₂O) = 1150 g - 100 g - 100 g = 950 g.
n(H₂O) = 950 g ÷ 18 g/mol = 118,75 mol.
<span>water's mole fraction = 118,75 mol </span>÷ (118,75 mol + 2,7 mol + 3,42 mol).
water's mole fraction = 0,95.
p(solution) = 0,95 · 23 mmHg = 21,85 mmHg.
From the information obtained by the problem-solving process, around 11 percentage of the school students need to have special diets.Hence, Option (C) i.e, 11 % is corrrect
<h3>What is problem-solving?</h3>
Identification of problems and marking out the steps and methods to solve them is regarded as problem-solving.
Problems can be identified only after attainment of information.
To be able to solve the problems of students suffering from a balanced diet, one out of every ten students need to include special diets in regular course.
Hence, option C holds true of the problem-solving process.
Therefore, Option (C) i.e, 11 % is corrrect
Learn more about problem-solving here ;
brainly.com/question/3418829
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