Chemistry

Chemistry, 16.10.2019 20:30, voidnyaah

How many h2o molecules are contained in 0.0016 moles of the hydrate na2b4o7.10h2o?

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Mathematics, 08.07.2019 22:10, alyssagonzales2021

100 rules: have to answer correctly have to answer all 16 questions only answer if you only know the answer partial answers or incomplete answers not accepted will be reported point stealers beware 1) how many moles are there in 24.5 grams of cof3? 2) how many molecules are there in 150.00 grams of na2so4? 3) how many moles are there in 2.3 x 1024 atoms of sulfur? 4) how many grams are there in 7.40 x 1023 molecules of ph3? 5) how many moles are there in 7.5 x 1023 molecules of h2so4? 6) how many molecules are there in 55.5 grams of cu(clo¬3)2? 7) how many grams are there in 8.20 x 1025 molecules of water? 8) how many molecules are there in 238.05 grams of co2? 9) how many molecules are there in 2.35 grams of nh4f? 10) how many grams are there in 1.50 x 1023 molecules of n2h6? 11) how many molecules are there in 20.40 grams of sicl4? 12) how many grams are there in 3.50 moles of alcl3? 13) how many moles are there in 4.50 x 1022 molecules of ch4? 14) how many molecules are there in 9.34 grams of no? 15) how many grams does 4.00 moles of uf6 weigh? 16) how many moles are there in 230.0 grams of nh4oh?

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Chemistry, 01.08.2019 01:00, tadams9922

Note: moles to grams, or grams to moles you will need to use molar mass (g/mol).1)how many moles are in 20.2 g hcl? 2) how many grams are in 2 moles of hcl? note: when converting from moles to molecules, you need the following: 1 mole = 6.022 x 1023 molecules 3) how many molecules are in 23 moles of sodium? 4) how many moles are in 8.022 x 1026 molecules of nacl? note: 1 mole = 22.4 l 5) how many moles are in 5 liters of h2 gas? 6) how many liters are in 5 moles of h2 gas? multiple conversions in one problem. 7) how many grams of hcl will be produced with 16.2 grams of h2 and excess cl2? (h2 + cl2 -> 2hcl) 8) how many liters are there in 46 g of cl2 gas?

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Chemistry, 18.08.2019 03:10, lea5261

Chloral hydrate (c2h3cl3o2) is a drug formerly used as a sedative and hypnotic. a. calculate the molar mass of chloral hydrate. b. what amount (moles) of c2h3cl3o2 molecules are in 500.0 g chloral hydrate? c. what is the mass in grams of 2.0 x 10-2 mol chloral hydrate? d. what number of chlorine atoms are in 5.0 g chloral hydrate? e. what mass of chloral hydrate would contain 1.0 g cl? f. what is the mass of exactly 500 molecules of chloral hydrate?

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Mathematics, 26.10.2019 01:43, cchavcchav9606

An entomologist writes an article in a scientific journal which claims that fewer than 16 in ten thousand male fireflies are unable to produce light due to a genetic mutation. use the parameter p, the true proportion of fireflies unable to produce light. express the null hypothesis and the alternative hypothesis in symbolic form for a test to support this claim. a. h0: p > 0.0016 h1: p < = 0.0016 b. h0: p < 0.0016 h1: p > = 0.0016 c. h0: p = 0.0016 h1: p < 0.0016 d: h0: p = 0.0016 h1: p > 0.0016

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How many h2o molecules are contained in 0.0016 moles of the hydrate na2b4o7.10h2o?...

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