Can you guys answer these questions..(science)
1. Place the five substances in order of increasing pH—from most acidic to most
basic.
2. Orange juice has a pH of 4. What color would you expect the paper test strip to
be after it is dipped in a sample of orange juice?
3. Determining the pH of substances such as purple grape juice and catsup using
test strips can be difficult. Why?
4. Tear–free shampoos are advertised as having a pH similar to that of human
tears. What pH would you expect tear–free shampoos to be? Use evidence from
the lab activity to support your response.
5. What is the approximate hydronium ion concentration and hydroxide ion
concentration in a cup of tea? Which is higher? (Refer back to the chart of pH if
you need to.)
6. What is the approximate hydronium ion concentration and hydroxide ion
concentration in bleach? Which is higher?
Answers: 2
Chemistry, 21.06.2019 16:50
What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn
Answers: 2
Chemistry, 22.06.2019 05:30
What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?
Answers: 1
Chemistry, 22.06.2019 07:30
Using data from seismic waves, geologists have learned that earth’s interior is made up of several
Answers: 3
Chemistry, 22.06.2019 17:30
A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159
Answers: 2
Can you guys answer these questions..(science)
1. Place the five substances in order of increasing...
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