eS 6 の9200の 6 7 DCS コルの 72 1 2 0 Find thepH ofa solntion that has a hydrogen ion concentration of 8.7x103 Taoles/Hiter. /と と ー盾分も< /の pH >. -4み1の 区 間 For nrrnbers 5 and 6. Loudness is measured in decibels (dB].An increase in loudness of 10 degibels means the sound intensity increases by a factor of 10. NE that is has a of 0 dB and an intensity level 10 WW/ 2 ibel level of 130 dB and an intensity level of dB. Whatistheintensity ofthe sonnd