molarity = moles per litre
0.320 moles=1 litre
number of moles in 6 litres = (0.320×6)÷1
mass=moles ×relative molecular mass
answers= 188 grams
The correct answer is 188 grams
The chemist should dissolve 188 grams of H2SO4 in water.
Molarity is the concentration of a solution in moles per liter. It is calculated by dividing the number of moles of a solution, n by its volume in liters, V. That is; Molarity = n/V
When given the molarity of a solution and the volume of the solution then we can get the number of moles, by multiplying the molarity by volume; n = MV.
The number of moles of a compound or an element can also be calculated by dividing the mass of the compound by its relative molecular mass.
In this case, we are given; volume = 6.00 L and Molarity = 0.320 M
Therefore, we can calculate the number of moles by multiplying volume and molarity.
Number of moles = 6.0 L × 0.320 M
= 1.92 moles
Relative molecular mass of H2SO4 is 98.079 g/mol
Mass of the solution = moles × relative molecular mass
= 1.92 moles × 98.079 g/mol
= 188.312 g
≈ 188 gLearn more about Molarity; Molarity, moles and volume conversions; Answer details
Grade: High school
Keywords: Molarity, moles, molecular mass and volume.
Sophie hace eso en el presente
When Sophie says 'En este momento hablo con una mujer sobre unas recetas,' she's using he present simple tense, which describes actions happening at the present altbough sometimes it's also used when an action is repeated or continuous.
The verb 'hablar' has been conjugated in the present tense by dropping the ending 'r'.
D). 'P' sound.
Repetition is described as one of the most commonly employed literary devices that involves repetition of similar words, sentences, or phrases to emphasize a point or idea in order to make it more clear and memorable for the audience.
In the given question, Poe stresses the interruption at the door through the repetition of letter sound 'P' in 'napping, tapping, rapping, at the chamber door.' The author highlights the intervention when he says 'suddenly there came a tapping' and repeatedly uses the sound 'P' consecutively in 'rapping, rapping...door.' Therefore, option D is the correct answer.
The correct answer is C. Person vs. society
Person vs. society involves the main character struggling against the ideas, actions, norms, etc. of general society or a group of people. This differs from other conflicts such as person vs. self or person vs. nature because the conflict emerges from society. In the case presented, there is a person vs. society conflict because the character Ernesto struggle against racism and discrimination from society. This can be seen in "he heard fans screaming racial insults at him...he wondered how he could keep playing for fans who felt that way" that shows the attitude from other people and the way this is conflictive for Ernesto.
The Correct Answer Is Person vs Society