Question

はっさく

4と5を教えて頂きたいです🙃

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