What is the molarity of 4.0 moles of sodium chloride (NaCl) in 125 mL of solution? Hint: 1 L of solution = 1000 mL of solution

Question 19 options:

500 M

32 M

0.50 M

0.032 M

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x