alexwshen alexwshen

30-04-2020
Chemistry

contestada

Which is the formula mass of Na₂SO₄? *
1. 119 amu
2. 125 amu
3. 142 amu
4. 174 amu

Respuesta :

colinmark68 colinmark68

30-04-2020

Answer:

the answer is option 3.

Answer Link

vana4850 vana4850

30-04-2020

3 is the right answer

Answer Link

Otras preguntas

which cells carry antigen-specific receptors and are stimulated when antigens bind to those receptors?

a. For the reduction reaction with NaBH4, calculate the theoretical yield and percent yield of the crude product after liquid-liquid extraction. Assume the keto

comapny a pays a dividend of 2%. company b's stock price increases 1% pkus the inflation rate every year. company c pays 3% dividends, and its stock price decre

FILL IN THE BLANK. One of the two aspects of the measure of bicultural identity integration (BII) is the degree to which bicultural individuals ______.

True or False? Safety nets must be installed as close as practicable under the walking/working surface, but never more than 20 feet below the working level.

a bomb calorimeter has a heat capacity of 600 j/oc and contains 500 g of water (specific heat capacity 4.184 j/g.oc). if a 5.00 g sample of a carbohydrate is co

a patient is 66 inches in height, weighing 200 pounds, and newly diagnosed with type 2 diabetes mellitus (dm). her fasting plasma glucose level is 215 mg/dl. wh

the rate of aerobic ATP production; usually represented by the fastest pace or rate of physical activity an athlete can sustain and is an indicator of cardiores

include qualities that can be measured objectively such as weight, volume, length and temperature, it has a number associated with them and can be reported in u

christopher manages a grocery store in a country experiencing a high rate of inflation. he is paid in cash twice per month. on payday, he immediately goes out a