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jolli1 [7]
3 years ago
8

The sugar ribose is an important component of RNA. Ribose is 40.0% C, 6.7% H, and 53.3\% by mass. How many grams of each element

are present in a 50 g sample of ribose?
Chemistry
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:

C_5H_10O_5

Explanation:

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Consider the following balanced equation:
algol [13]

Moles of PF₃ : 4

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

\tt P_4(s)+6F_2(g)\rightarrow 4PF_3(g)

1.25 moles of P₄(s) is reacted with 6 moles of F₂(g)

Limiting reactant : the smallest ratio (mol divide by coefficient)

P₄ : F₂ =

\tt \dfrac{1.25}{1}\div \dfrac{6}{6}=1.25\div 1\rightarrow F_2~limiting~reactant(smallest~ratio)

mol PF₃ based on mol of limiting reactant(F₂), so mol PF₃ :

\tt \dfrac{4}{6}\times 6~moles=4~moles

8 0
3 years ago
An astronaut has a mass of 60kg. Calculate their weight When they are on the surface of the moon.
IceJOKER [234]

Answer:

I think 0kg because they are flying.

7 0
2 years ago
Type of molecule is shown below?<br> H<br> O=C<br> H
ololo11 [35]

Answer:

Carbonyl

Explanation:

While the diagram is slightly unclear, the molecule most likely being shown is a carbonyl. A molecule is a carbonyl when there is a carbon double-bonded to an oxygen.

6 0
1 year ago
For the following experiments, identify the independent variable and the dependent variable:
faust18 [17]

Answer:

A) IV: number of hours DV: score

Explanation:

Coz,

IV- is the variable that u change

DV- is the variable that u test or measure

In this case, we need to change the hours of studying to see how studying for different hours [1 hr, 2hr, etc (( Independant variable coz we're changing the no. of hours)) ] is going to affect the student's score, and in the end, we are measuring the score of each student [this is the dependant variable].

3 0
2 years ago
Which organelle carries substances to other parts of a cell?
stiv31 [10]

Should this not be in biology? But the answer is Endoplasmic reticulum
7 0
3 years ago
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