1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lorico [155]
3 years ago
8

The percent composition of all elements in HClO3 is:

Chemistry
1 answer:
Artist 52 [7]3 years ago
7 0
The percent composition is defined by mass percent. So the calculation is through the atomic mass. The mass for H is 1, Cl is 35.5, O is 16. So the answer is B.
You might be interested in
How many moles of ammonia are there in a 346 g sample of pure nh3?
Citrus2011 [14]
Molar mass NH3 = 17.031 g/mol

1 mole NH3 -------------- 17.031 g
?? moles NH3 ---------- 346 g

346 x 1 / 17.031

=> 20.31 moles of NH3

6 0
3 years ago
How many bromine atoms are present in 39.4 g of CH2Br2
strojnjashka [21]
37.8 g CH2Br2 X (1 mol CH2Br2 / 173.83 g) = 4.60X10^-3 mol CH2Br2 

<span>4.60X10^-3 mol CH2Br2 X (2 mol Br / 1 mol CH2Br2) X 6.02X10^23 atoms/mol = 5.54X10^21 bromine atoms</span>
7 0
3 years ago
Luciana explains to Eric how electricity flows in a circuit. Which sentences are a part of her explanation? Select all that appl
Flauer [41]
I’m pretty sure it c hope that helped
8 0
3 years ago
Read 2 more answers
A solution at 25 degrees Celsius is 1.0 × 10–5 M H3O+. What is the concentration of OH– in this solution? 1.0 × 10–5 M OH– 1.0 ×
Triss [41]

Answer:

1.0 × 10⁻⁹ M.

Explanation:

<em>∵ [H₃O⁺][OH⁻] = 10⁻¹⁴.</em>

[H₃O⁺] = 1.0 x 10⁻⁵ M.

<em>∴ [OH⁻] = 10⁻¹⁴/[H₃O⁺]</em> = 10⁻¹⁴/(1.0 x 10⁻⁵ M) = <em>1.0 × 10⁻⁹ M.</em>

6 0
3 years ago
Read 2 more answers
What is the formula for the compound formed by calcium ions and chloride ions? (1) CaCl (2) CaCl2 (3) CaCl3 (4) Ca2Cl
amid [387]
I think it would be c
6 0
3 years ago
Other questions:
  • How many calories of are required to heat 731 grams of water from 35°c to 83°c? (assume that the specific heat of water is 1.00
    12·2 answers
  • As electrons move from the higher to the lower energy level, they release energy and ________ occurs.
    12·1 answer
  • Aluminum can. Copper sheeting, silver spoon, wood drumstick, brick house, Which objects are flexible?
    6·2 answers
  • Potassium (K) combines with magnesium bromide (MgBr2) to form potassium bromide (KBr) and magnesium (Mg) during a chemical react
    15·1 answer
  • Н
    9·1 answer
  • Every atom of the __ carbon has six protons
    13·2 answers
  • How many atoms of oxygen are in a molecule of glucose?​
    5·2 answers
  • Define the word conflict​
    11·2 answers
  • Finish the attachment pleaseee it's due I will give extra points and brainly too
    15·1 answer
  • Water temperature is a factor that can affect hypoxic
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!