To solve the concentration, it is equal to the mass of the calcium ions divided by the total mass of the solution.
C = mass of ions / mass solution
C = ( 8.5 x 10 ^-3 g ) / 490 g
C = 1.7 x 10^-5
since the choices are in ppm, multiply it by 10^6
C = (1.7 x 10^-5 ) 10^6
C = 17 ppm
After studying the graph,the evidence from the bright line spectra that indicates element A is not present in the mixture is 11 the lines of A are not present in the mixture 700 nm is missing.
Answer:
D
Explanation:
hotspot volcanoes form from these
Answer: the correct answer is Option D
Explanation:
Can I see the drop down options?
