Chemistry, 20.03.2021 05:00 lilpetals

How many moles are in 4.57 x 103 mg of Ca(NO3)2? A) 2.79 x 102 mol
B) 27.9 moles
C) 2.79 x 104 moles
D) 1.67 x 1022 moles
E) none of the above

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 23:00

How manyatoms of mercury are in 1.4214e+1 ml sample

Answers: 1

Answer

Chemistry, 22.06.2019 01:00

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

Answers: 2

Answer

Chemistry, 22.06.2019 05:30

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Answers: 3

Answer

Chemistry, 22.06.2019 12:00

What is the subscript for oxygen in its molecular formula

Answers: 1

Answer

You know the right answer?

How many moles are in 4.57 x 103 mg of Ca(NO3)2? A) 2.79 x 102 mol
B) 27.9 moles
C) 2.7...

Questions

Biology, 15.07.2019 19:30

If the atomic number of an element is six and its mass number is 14, how many neutrons are contained in the nuclear us? a)20 b)6 c)8 d)...

Mathematics, 15.07.2019 19:30

By each expression using positive exponents m^3n^-6p^0...

History, 15.07.2019 19:30

How many islands make the philippines...

History, 15.07.2019 19:30

What are the three general purpose of most classroom speeches? how do they differ? give examples of topics that would be appropriate for each genera...

Social Studies, 15.07.2019 19:30

Although shannon enjoys being with her family, she purposely keeps her life at college a secret. what family maintenance strategy could shannon improv...

History, 15.07.2019 19:30

Name four historical lenses through which you could analyze the events of the cherokee removal. specify one aspect of this event for each lens that yo...

English, 15.07.2019 19:30

Which highlighted word is an adverb let’s mow the lawn quickly...

Mathematics, 15.07.2019 19:30

If y = 4x – 1, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?...

Mathematics, 15.07.2019 19:30

The following table shows several ordered pairs of a function, m(x). x m(x) -1 -1.5 1 1.5 2 3 4 6 graph m(x) on a coordinate plane to determine whethe...

Social Studies, 15.07.2019 19:30

You are assessing a victim of a gunshot wound to the head. her eyes are open, but she does not follow or track any movement....

Mathematics, 15.07.2019 19:30

There are 16 girls in a school club. the number of girls is four more than twice the number of boys. find the number of boys....

Biology, 15.07.2019 19:30

The value of photosynthetically active radiation above which no further increase in photosynthesis occurs is referred to as:...

Social Studies, 15.07.2019 19:30

Who wrote verbal behavior and broke down language into verbal operants?...

Social Studies, 15.07.2019 19:30

John is shown a group of objects. the objects are then covered, and he is asked to list all that he remembers. this is a test of...

English, 15.07.2019 19:30

All of the following techniques are recommended for kinesthetic learners except a) use experiments to learn the material b) focus on reading the text...

Mathematics, 15.07.2019 19:30

What is equivalent fractions using models...

History, 15.07.2019 19:30

According to lincoln's second inaugural address (pages 279–280), before the war, the us government wanted to slavery?...

Mathematics, 15.07.2019 19:30

Let x be normally distributed with mean µ = 25 and standard deviation σ = 5. find the value x such that p(x ≥ x) = 0.1736...

Social Studies, 15.07.2019 19:30

Around adolescence a person is able to start reconstructing their personal story. in other words, the self becomes a(n):...

Mathematics, 15.07.2019 19:30

Which is the solution to the inequality y+15 < 3 as soon as possible...

More questions: Chemistry Another questions

How many moles are in 4.57 x 103 mg of Ca(NO3)2? A) 2.79 x 102 mol B) 27.9 moles C) 2.79 x 104 moles D) 1.67 x 1022 moles E) none of the above

Answers

Another question on Chemistry

How many moles are in 4.57 x 103 mg of Ca(NO3)2? A) 2.79 x 102 mol
B) 27.9 moles
C) 2.79 x 104 moles
D) 1.67 x 1022 moles
E) none of the above