Question

The pH level of tomato juice is 4.2. What is the hydrogen-ion concentration [H+] for tomato juice?

0.0004

0.0006

0.00004

0.00006

Answer 1

the same as the previous one the past day....remember???

Answer 2

kind of

Answer 3

Its hard >_<

Answer 4

http://openstudy.com/users/leilajudeh#/updates/55034f16e4b088d8e0356aed

Answer 5

@LeilaJudeh hold on lemme get my scientific calculator......lol...xD

Answer 6

A?

Answer 7

how???

Answer 8

the question is same only the value of pH is different....better use a calculator kid.....
by the way i got the answer.....xD

Answer 9

@LeilaJudeh ?????????

Answer 10

So C

Sorry site keeps freezing >_>

Answer 11

nah....not at all....whts ur last equation....

Answer 12

Hold on I wanna start over I messed up

Answer 13

take ur time......see first of all work to gain accuracy....i mean practice maths....then when u gain accuracy...practice more to gain speed.....xD

Answer 14

I would say B

Answer 15

-.- please tell me im right

Answer 16

lol,.....nah .,...not at all..... u got smthng like
\[6.3\times10^{-5}\]

Answer 17

sorry ....:((

Answer 18

bt i can't lie.....

Answer 19

I OFFICIALLY HATE MATH RISH.

THE ONLY ANSWER I DIDNT CHOOSE IS D.

Answer 20

hahahahaha ur bad......no worries...practice....and u will surely fall in love with it,,.... I bet....
lol...xD

Answer 21

its simple
\[6.3\times10^-5 = 0.000063\]
@LeilaJudeh

Answer 22

I will never fall in love with it rish xD ever.

Answer 23

give a try........:))

Answer 24

i love it since i was in 1st grade......lol...xD

Answer 25

okay heres another one I don't get

The sound intensity of street traffic is about 107 times greater than the threshold of hearing. What is the relativity intensity of street traffic?
(Points : 1)
0.0000001 decibel

7 decibels

70 decibels

10,000,000 decibels

I gave math so many tries.. I'll stick with English xD

Answer 26

Whts threshold of hearing.

Answer 27

What?

Answer 28

'threshold of hearing.'???????

Answer 29

like the amount of sound intensity you can hear

Answer 30

whts its value???u know tht???

Answer 31

no it doesn't say it

Answer 32

give me some time....

Answer 33

@LeilaJudeh

Answer 34

:O okay well thats why the first two questions were answered xD

Answer 35

still need it?

Answer 36

nope lol