Please calculate the ph of the following strong acids and solutions A) 8.0x 10M HBr
B) 1.18g of HNO3 in 510 ml of solution
C) 6.20ml of 0.28p m HCLO4 diluted to 45.0 ml
D) a solution framed by mixing 14.0ml of 0.130 m HBr with 25.0ml of 0.180m HCL​

Based on the position vs. time graph which velocity vs. time graph would correspond to the data

Consider the two electron arrangements for neutral atoms a and b. are atoms a and b the same element? a - 1s2, 2s2, 2p6, 3s1 b - 1s2, 2s2, 2p6, 5s1

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.