xraystephosbo xraystephosbo

02-01-2024
Chemistry

contestada

What is the molarity of a 3.0 L solution that contains 0.45 moles of solute? A. 0.15 M B. 15M C. 6.7M D. 140M E. 0.45M

Respuesta :

1Eliana 1Eliana

02-01-2024

Answer

A. 0.15M

Method

litres = dm³ (standard units)

mol/dm³ is the standard unit form molarity (also wrotten as M)

concentration (molarity) = moles / volume

0.45 ÷ 3 = 0.15 M

Answer Link

Otras preguntas

Which radioisotope is a beta emitter?(1) 90Sr (3) 37K(2) 220Fr (4) 238U

What did the gulf of tonkin resolution do in relation to the vietnam war?

Which substance can not be decomposed by a chemical change? (1) ammonia (3) propanol (2) copper (4) water

What is the total number of protons in the nucleus of an atom of potassium-42? (1) 15 (3) 39 (2) 19 (4) 42

What led to the humanist movement?

The math department of a college has 5 male professors, 14 female professors, 5 males assistants, and 13 female teaching assistants. If a person is selected at

What is the percent by mass of oxygen in H2SO4 ? [formula mass = 98](1) 16% (3) 65%(2) 33% (4) 98%

how can conversion of measurements help me solve real world problems

What opinion might a British soldier have had about the Boston Massacre?

Can we use a clinical thermometer to measure the temperature of hot milk? If not why not?