If 450.0 mL of a 0.500 M solution is mixed with 200.0 mL of water, what is the molarity of the new solution?
A. 0.346 M
B. 0.625 M
C. 1. 86 M
D. 2.50 M

Dmight be the correct answer

Answerstudying coal cumbustion as an energy source;

Small amounts of matter are converted intolarge amounts of energy occurs in both fusion and fission reactions. they are nuclear reactions where a change in the identity or characteristics of an atomic nucleus results when it is bombarded with an energetic particle, as in fission, fusion, or radioactive decay.

100cm, because 11.0 cm is 3 figures as they've chosen to include the decimal point. if you have a 3 digit number then anything after the second digit will become 0 if it's to 2 significant figures