Chemistry, 16.06.2021 21:40 milessims3953

A metal, M, forms an oxide having the formula MO2 containing 59.93% metal by mass. Determine the atomic weight in g/mole of the metal (M). Please provide your answer in 2 decimal places. a. How many moles of oxygen atoms are found in 4.00 g of O2?
b. How many atoms of hydrogen are found in 0.400 mol of H2S?
c. How many hydrogen atomsare present in 0.235 g of NH3?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 03:30, asianaenaeh

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

Answers: 1

continue

Chemistry, 22.06.2019 06:00, nikejose11

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Answers: 3

continue

Chemistry, 22.06.2019 10:00, youngchapo813p8d9u1

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

Answers: 3

continue

Chemistry, 22.06.2019 13:00, Molly05

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Answers: 2

continue

You know the right answer?

A metal, M, forms an oxide having the formula MO2 containing 59.93% metal by mass. Determine the ato...